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# definition - History_of_economic_thought

definition of Wikipedia

# History of economic thought

Wealth of Nations is widely considered to be the first modern work in the field of economics.

The history of economic thought deals with different thinkers and theories in the subject that became political economy and economics from the ancient world to the present day. It encompasses many disparate schools of economic thought.Greek writers such as the philosopher Aristotle examined ideas about the "art" of wealth acquisition and questioned whether property is best left in private or public hands. In medieval times, scholars such as Thomas Aquinas argued that it was a moral obligation of businesses to sell goods at a just price.

British philosopher Adam Smith is often cited as the father of modern economics for his treatise The Wealth of Nations (1776).[1][2] His ideas built upon a considerable body of work from predecessors in the eighteenth century particularly the Physiocrats. His book appeared on the eve of the Industrial Revolution with associated major changes in the economy.[3] Smith's successors included such classical economists as the Rev. Thomas Malthus, Jean-Baptiste Say, David Ricardo, and John Stuart Mill. They examined ways the landed, capitalist and labouring classes produced and distributed national output and modeled the effects of population and international trade. In London, Karl Marx castigated the capitalist system, which he described as exploitative and alienating. From about 1870, neoclassical economics attempted to erect a positive, mathematical and scientifically grounded field above normative politics.

After the wars of the early twentieth century, John Maynard Keynes led a reaction against what has been described as governmental abstention from economic affairs, advocating interventionist fiscal policy to stimulate economic demand and growth. With a world divided between the capitalist first world, the communist second world, and the poor of the third world, the post-war consensus broke down. Others like Milton Friedman and Friedrich von Hayek warned of The Road to Serfdom and socialism, focusing their theories on what could be achieved through better monetary policy and deregulation. As Keynesian policies seemed to falter in the 1970s there emerged the so called New Classical school, with prominent theorists such as Robert Lucas and Edward Prescott. Governmental economic policies from the 1980s were challenged, and development economists like Amartya Sen and information economists like Joseph Stiglitz introduced new ideas to economic thought in the twenty first century.

## Early economic thought

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The earliest discussions of economics date back to ancient times (e.g. Chanakya's Arthashastra or Xenophon's Oeconomicus). Back then, and until the industrial revolution, economics was not a separate discipline but part of philosophy. In Ancient Athens, a slave based society but also one developing an embryonic model of democracy,[4] Plato's book The Republic contained references to specialization of labour and production. But it was his pupil Aristotle that made some of the most familiar arguments, still in economic discourse today.

### Aristotle

Plato and his pupil, Aristotle, have had an enduring effect on Western philosophy.

Aristotle's Politics (c.a. 350 BC) was mainly concerned to analyse different forms of a state (monarchy, aristocracy, constitutional government, tyranny, oligarchy, democracy) as a critique of Plato's advocacy of a ruling class of "philosopher-kings". In particular for economists, Plato had drawn a blueprint of society on the basis of common ownership of resources. Aristotle viewed this model as an oligarchical anathema.

In Politics Book I, Aristotle discusses the general nature of households and market exchanges. For him there is a certain "art of acquisition" or "wealth-getting". Money itself has the sole purpose of being a medium of exchange, which means on its own "it is worthless... not useful as a means to any of the necessities of life".[5] Nevertheless, points out Aristotle, because the "instrument" of money is the same many people are obsessed with the simple accumulation of money. "Wealth-getting" for one's household is "necessary and honourable", while exchange on the retail trade for simple accumulation is "justly censured, for it is dishonourable".[6] Aristotle disapproved highly of usury and also cast scorn on making money through monopoly.[7]

### Middle Ages

St Thomas Aquinas taught that raising prices in response to high demand was a type of theft.

Thomas Aquinas (1225-1274) was an Italian theologian and writer on economic issues. He taught in both Cologne and Paris, and was part of a group of Catholic scholars known as the Schoolmen, who moved their enquiries beyond theology to philosophical and scientific debates. In the treatise Summa Theologica Aquinas dealt with the concept of a just price, which he considered necessary for the reproduction of the social order. Bearing many similarities with the modern concept of long run equilibrium a just price was supposed to be one just sufficient to cover the costs of production, including the maintenance of a worker and his family. He argued it was immoral for sellers to raise their prices simply because buyers were in pressing need for a product.

Aquinas discusses a number of topics in the format of questions and replies, substantial tracts dealing with Aristotle's theory. Questions 77 and 78 concern economic issues, mainly relate to what a just price is, and to the fairness of a seller dispensing faulty goods. Aquinas argued against any form of cheating and recommended compensation always be paid in lieu of good service. Whilst human laws might not impose sanctions for unfair dealing, divine law did, in his opinion. One of Aquinas' main critics[8] was Duns Scotus (1265-1308) in his work Sententiae (1295). Originally from Duns Scotland, he taught in Oxford, Cologne and Paris. Scotus thought it possible to be more precise than Aquinas in calculating a just price, emphasising the costs of labour and expenses - though he recognised that the latter might be inflated by exaggeration, because buyer and seller usually have different ideas of what a just price comprises. If people did not benefit from a transaction, in Scotus' view, they would not trade. Scotus defended merchants as performing a necessary and useful social role, transporting goods and making them available to the public.

## Mercantilists and nationalism

1638 painting of a French seaport during the heyday of mercantilism.

From the localism of the Middle Ages, the waning feudal lords, new national economic frameworks began to be strengthened. From 1492 and explorations like Christopher Columbus' voyages, new opportunities for trade with the New World and Asia were opening. New powerful monarchies wanted a powerful state in order to boost their status. Mercantilism was a political movement and an economic theory that advocated the use of the state's military power to ensure local markets and supply sources were protected. Mercantile theorists thought international trade could not benefit all countries at the same time. Because money and gold were the only source of riches, there was a limited quantity of resources to be shared between countries. Therefore, tariffs could be used to encourage exports (meaning more money comes into the country) and discourage imports (sending wealth abroad). In other words a positive balance of trade ought to be maintained, with a surplus of exports. The term mercantilism was not in fact coined until the late 1763 by Victor de Riqueti, marquis de Mirabeau and popularised by Adam Smith, who vigorously opposed its ideas.

### Thomas Mun

English businessman Thomas Mun (1571-1641) represents early mercantile policy in his book England's Treasure by Foraign Trade . Although it was not published until 1663 it was widely circulated as a manuscript before then. He was a member of the East India Company and also wrote about his experiences there in A Discourse of Trade from England unto the East Indies (1621). According to Mun, trade was the only way to increase England’s treasure (i.e., national wealth) and in pursuit of this end he suggested several courses of action. Important were frugal consumption in order to increase the amount of goods available for export, increased utilisation of land and other domestic natural resources to reduce import requirements, lowering of export duties on goods produced domestically from foreign materials, and the export of goods with inelastic demand because more money could be made from higher prices.

### Philipp von Hörnigk

The title page to Philipp von Hörnigk statement of mercantilist philosophy.

Philipp von Hörnigk (1640-1712, sometimes spelt Hornick or Horneck) was born in Frankfurt am Main and became an Austrian civil servant writing in a time when his country was constantly threatened by Ottoman invasion. In Österreich Über Alles, Wenn Sie Nur Will (1684, Austria Over All, If She Only Will) he laid out one of the clearest statements of mercantile policy. He listed nine principal rules of national economy.

"To inspect the country's soil with the greatest care, and not to leave the agricultural possibilities of a single corner or clod of earth unconsidered... All commodities found in a country, which cannot be used in their natural state, should be worked up within the country... Attention should be given to the population, that it may be as large as the country can support... gold and silver once in the country are under no circumstances to be taken out for any purpose... The inhabitants should make every effort to get along with their domestic products... [Foreign commodities] should be obtained not for gold or silver, but in exchange for other domestic wares... and should be imported in unfinished form, and worked up within the country... Opportunities should be sought night and day for selling the country's superfluous goods to these foreigners in manufactured form... No importation should be allowed under any circumstances of which there is a sufficient supply of suitable quality at home."

Nationalism, self-sufficiency and national power were the basic policies proposed.[9]

### Jean Baptiste Colbert

Jean Baptiste Colbert (1619-1683) was Minister of Finance under King Louis XIV of France. He set up national guilds to regulate major industries. Silk, linen, tapestry, furniture manufacture and wine were examples of the crafts in which France specialised, all of which came to require membership of a guild to operate in. These remained until the French revolution. According to Colbert, "It is simply, and solely, the abundance of money within a state [which] makes the difference in its grandeur and power."

## British enlightenment

Britain had gone through some of its most troubling times through the 17th century, enduring not only political and religious division in the English Civil War, King Charles I's execution and the Cromwellian dictatorship, but also the plagues and fires. The monarchy was restored under Charles II, who had catholic sympathies, but his successor King James II was swiftly ousted. Invited in his place were Protestant William of Orange and Mary, who assented to the Bill of Rights 1689 ensuring that the Parliament was dominant in what became known as the Glorious revolution. The upheaval had seen a number of huge scientific advances, including Robert Boyle's discovery of the gas pressure constant (1660) and Sir Isaac Newton's publication of Philosophiae Naturalis Principia Mathematica (1687), which described the three laws of motion and his law of universal gravitation. All these factors spurred the advancement of economic thought. For instance, Richard Cantillon (1680-1734) consciously imitated Newton's forces of inertia and gravity in the natural world with human reason and market competition in the economic world.[10] In his Essay on the Nature of Commerce in General, he argued rational self interest in a system of freely adjusting markets would lead to order and mutually compatible prices. Unlike the mercantilist thinkers however, wealth was found not in trade but in human labour. The first person to tie these ideas into a political framework was John Locke.

### John Locke

John Locke combined philosophy, politics and economics into one coherent framework.

John Locke (1632-1704) was born near Bristol and educated in London and Oxford. He is considered one of the most significant philosophers of his era mainly for his critique of Thomas Hobbes' defense of absolutism in Leviathan (1651) and the development of social contract theory. Locke believed that people contracted into society which was bound to protect their rights of property.[11] He defined property broadly to include people's lives and liberties, as well as their wealth. When people combined their labour with their surroundings, then that created property rights. In his words from his Second Treatise on Civil Government (1689),

God hath given the world to men in common... Yet every man has a property in his own person. The labour of his body and the work of his hands we may say are properly his. Whatsoever, then, he removes out of the state that nature hath provided and left it in, he hath mixed his labour with, and joined to it something that is his own, and thereby makes it his property.[12]

Locke was arguing that not only should the government cease interference with people's property (or their "lives, liberties and estates") but also that it should positively work to ensure their protection. His views on price and money were laid out in a letter to a Member of Parliament in 1691 entitled Some Considerations on the Consequences of the Lowering of Interest and the Raising of the Value of Money (1691). Here Locke argued that the "price of any commodity rises or falls, by the proportion of the number of buyers and sellers," a rule which "holds universally in all things that are to be bought and sold."[13]

### Dudley North

Dudley North argued that the results of mercantile policy would be undesirable.

Dudley North (1641-1691) was a wealthy merchant and landowner. He worked as an official for the Treasury and was opposed to most mercantile policy. In his Discourses upon trade (1691), which he published anonymously, he argued that the assumption of needing a favourable trade balance was wrong. Trade, he argued, benefits both sides, it promotes specialisation, the division of labour and produces an increase in wealth for everyone. Regulation of trade interfered with these benefits by reducing the flow of wealth.

### David Hume

David Hume (1711-1776) agreed with North's philosophy and denounced mercantile assumptions. His contributions were set down in Political Discourses (1752), later consolidated in his Essays, Moral, Political, Literary (1777). Added to the fact that it was undesirable to strive for a favourable balance of trade it is, said Hume, in any case impossible. Hume held that any surplus of exports that might be achieved would be paid for by imports of gold and silver. This would increase the money supply, causing prices to rise. That in turn would cause a decline in exports until the balance with imports is restored.

## The circular flow

Pierre Samuel du Pont de Nemours, a prominent Physiocrat, emigrated to the US and his son founded DuPont, the world's second biggest chemicals company.

Similarly disenchanted with regulation on trademarks inspired by mercantilism, a Frenchman name Vincent de Gournay (1712-1759) is reputed to have asked why it was so hard to laissez faire, laissez passer (free enterprise, free trade). He was one of the early physiocrats, a word from Greek meaning "government of nature", who held that agriculture was the source of wealth. As historian David B. Danbom wrote, the Physiocrats "damned cities for their artificiality and praised more natural styles of living. They celebrated farmers."[14] Over the end of the seventeenth and beginning of the eighteenth century big advances in natural science and anatomy were being made, including the discovery of blood circulation through the human body. This concept was mirrored in the physiocrats' economic theory, with the notion of a circular flow of income throughout the economy.

François Quesnay (1694-1774) was the court physician to King Louis XV of France. He believed that trade and industry were not sources of wealth, and instead in his book, Tableau économique (1758, Economic Table) argued that agricultural surpluses, by flowing through the economy in the form of rent, wages and purchases were the real economic movers. Firstly, said Quesnay, regulation impedes the flow of income throughout all social classes and therefore economic development. Secondly, taxes on the productive classes, such as farmers, should be reduced in favour of rises for unproductive classes, such as landowners, since their luxurious way of life distorts the income flow.

Jacques Turgot (1727-1781) was born in Paris and from an old Norman family. His best known work, Réflexions sur la formation et la distribution des richesses (1766, Reflections on the Formation and Distribution of Wealth) developed Quesnay's theory that land is the only source of wealth. Turgot viewed society in terms of three classes: the productive agricultural class, the salaried artisan class (classe stipendice) and the landowning class (classe disponible). He argued that only the net product of land should be taxed and advocated the complete freedom of commerce and industry. In August 1774, Turgot was appointed to be Minister of Finance and in the space of two years introduced many anti-mercantile and anti-feudal measures supported by the King. A statement of his guiding principles, given to the King were "no bankruptcy, no tax increases, no borrowing." Turgot's ultimate wish was to have a single tax on land and abolish all other indirect taxes, but measures he introduced before that were met with overwhelming opposition from landed interests. Two edicts in particular, one suppressing corvées (charges from farmers to aristocrats) and another renouncing privileges given to guilds inflamed influential opinion. He was forced from office in 1776.

## The Wealth of Nations

Adam Smith, the father of modern political economy.

Adam Smith (1723-1790) is popularly seen as the father of modern political economy. His publication of the An Inquiry Into the Nature and Causes of the Wealth of Nations in 1776 happened to coincide not only with the American Revolution, shortly before the Europe wide upheavals of the French Revolution, but also the dawn of a new industrial revolution that allowed more wealth to be created on a larger scale than ever before. Smith was a Scottish moral philosopher, whose first break was The Theory of Moral Sentiments (1759). He argued in this that people's ethical systems develop through personal relations with other individuals, that right and wrong are sensed through others' reactions to one's behaviour. This gained Smith more popularity than his next work, The Wealth of Nations, which the general public initially ignored.[15] Yet Smith's political economic magnum opus was successful in circles that mattered.

### Context

William Pitt, the Tory Prime Minister in the late 1780s based his tax proposals on Smith's ideas and advocated free trade as a devout disciple of The Wealth of Nations.[16] Smith was appointed a commissioner of customs and within twenty years Smith had a following of new generation writers who were intent on building the science of political economy.[17]

Smith expressed an affinity himself to the opinions of Edmund Burke, known widely as a political philosopher, a Member of Parliament.

"Burke is the only man I ever knew who thinks on economic subjects exactly as I do without any previous communication having passed between us".[18]

Burke was an established political economist himself, with his book Thoughts and Details on Scarcity. He was widely critical of liberal politics, and condemned the French Revolution which began in 1789. In Reflections on the Revolution in France (1790) he wrote that the "age of chivalry is dead, that of sophisters, economists and calculators has succeeded, and the glory of Europe is extinguished forever." Smith's contemporary influences included Francois Quesnay and Jacques Turgot who he met on a stay in Paris, and David Hume, his Scottish compatriot. The times produced a common need among thinkers to explain social upheavals of the Industrial revolution taking place, and in the seeming chaos without the feudal and monarchical structures of Europe, show there was order still.

### The invisible hand

 "It is not from the benevolence of the butcher, the brewer or the baker, that we expect our dinner, but from their regard to their own self interest. We address ourselves, not to their humanity but to their self-love, and never talk to them of our own necessities but of their advantages."[19] Adam Smith's famous statement on self interest

Smith argued for a "system of natural liberty"[20] where individual effort was the producer of social good. Smith believed even the selfish within society were kept under restraint and worked for the good of all when acting in a competitive market. Prices are often unrepresentative of the true value of goods and services. Following John Locke Smith thought true value of things derived from the amount of labour invested in them.

"Every man is rich or poor according to the degree in which he can afford to enjoy the necessaries, conveniencies, and amusements of human life. But after the division of labour has once thoroughly taken place, it is but a very small part of these with which a man's own labour can supply him. The far greater part of them he must derive from the labour of other people, and he must be rich or poor according to the quantity of that labour which he can command, or which he can afford to purchase. The value of any commodity, therefore, to the person who possesses it, and who means not to use or consume it himself, but to exchange it for other commodities, is equal to the quantity of labour which it enables him to purchase or command. Labour, therefore, is the real measure of the exchangeable value of all commodities. The real price of every thing, what every thing really costs to the man who wants to acquire it, is the toil and trouble of acquiring it."[21]

When the butchers, the brewers and the bakers acted under the restraint of an open market economy, their pursuit of self interest, thought Smith, paradoxically drives the process to correct real life prices to their just values. His classic statement on competition goes as follows.

"When the quantity of any commodity which is brought to market falls short of the effectual demand, all those who are willing to pay... cannot be supplied with the quantity which they want... Some of them will be willing to give more. A competition will begin among them, and the market price will rise... When the quantity brought to market exceeds the effectual demand, it cannot be all sold to those who are willing to pay the whole value of the rent, wages and profit, which must be paid in order to bring it thither... The market price will sink..."[22]

Smith believed that a market produced what he dubbed the "progress of opulence". This involved a chain of concepts, that the division of labour is the driver of economic efficiency, yet it is limited to the widening process of markets. Both labour division and market widening requires more intensive accumulation of capital by the entrepreneurs and leaders of business and industry. The whole system is underpinned by maintaining the security of property rights.

### Limitations

Smith's vision of a free market economy, based on secure property, capital accumulation, widening markets and a division of labour contrasted with the mercantilist tendency to attempt to "regulate all evil human actions."[23] Smith believed there were precisely three legitimate functions of government. The first function was...

"...erecting and maintaining certain public works and certain public institutions, which it can never be for the interest of any individual or small number of individuals, to erect and maintain... Every system which endeavours... to draw towards a particular species of industry a greater share of the capital of the society than what would naturally go to it... retards, instead of accelerating, the progress of the society toward real wealth and greatness."
In addition to the necessity of public leadership in certain sectors Smith argued, secondly, that cartels were bad because of their potential to limit production and quality of goods and services.[24] Thirdly, Smith criticised government support of any kind of monopoly which always charges the highest price "which can be squeezed out of the buyers"[25] The existence of monopoly and the potential for cartels, which would later form the core of competition law policy, could distort the benefits of free markets to the advantage of businesses at the expense of consumer sovereignty.

## Classical political economy

The classical economists were referred to as a group for the first time by Karl Marx.[26] One unifying part of their theories was the labour theory of value, contrasting to value deriving from a general equilibrium of supply and demand. These economists had seen the first economic and social transformation brought by the Industrial Revolution: rural depopulation, precariousness, poverty, apparition of a working class. They wondered about the population growth, because the demographic transition had begun in Great Britain at that time. They also asked many fundamental questions, about the source of value, the causes of economic growth and the role of money in the economy. They supported a free-market economy, arguing it was a natural system based upon freedom and property. However, these economists were divided and did not make up a unified current of thought.

### Jeremy Bentham

Jeremy Bentham believed in "the greatest good for the greatest number".

Jeremy Bentham (1748-1832) was perhaps the most radical thinker of his time, and developed the concept of utilitarianism. Bentham was an atheist, a prison reformer, animal rights activist, believer in universal suffrage, free speech, free trade and health insurance at a time when few dared to argue for any. He was schooled rigorously from an early age, finishing university and being called to the bar at 18. His first book, Fragment of Government (1776) published anonymously was a trenchant critique of William Blackstone's Commentaries of the laws of England. This gained wide success until it was found that the young Bentham, and not a revered Professor had penned it. In The Principles of Morals and Legislation (1791) Bentham set out his theory of utility.[27]

The aim of legal policy must be to decrease misery and suffering so far as possible while producing the greatest happiness for the greatest number.[28] Bentham even designed a comprehensive methodology for the calculation of aggregate happiness in society that a particular law produced, a felicific calculus.[29] Society, argued Bentham, is nothing more than the total of individuals,[30] so that if one aims to produce net social good then one need only to ensure that more pleasure is experienced across the board than pain, regardless of numbers. For example, a law is proposed to make every bus in the city wheel chair accessible, but slower moving as a result than its predecessors because of the new design. Millions of bus users will therefore experience a small amount of displeasure (or "pain") in increased traffic and journey times, but a minority of people using wheel chairs will experience a huge amount of pleasure at being able to catch public transport, which outweighs the aggregate displeasure of other users. Interpersonal comparisons of utility were allowed by Bentham, the idea that one person's vast pleasure can count more than many others' pain. Much criticism later showed how this could be twisted, for instance, would the felicific calculus allow a vastly happy dictator to outweigh the dredging misery of his exploited populus? Despite Bentham's methodology there were severe obstacles in measuring people's happiness.

### Jean-Baptiste Say

File:Jbsay.gif
Say's law, that supply always equals demand, was unchallenged until the 20th century.

Jean-Baptiste Say (1767-1832) was a Frenchman, born in Lyon who helped to popularise Adam Smith's work in France.[31] His book, A Treatise on Political Economy (1803) contained a brief passage, which later became orthodoxy in political economics until the Great Depression and known as Say's Law of markets. Say argued that there could never be a general deficiency of demand or a general glut of commodities in the whole economy. People produce things, said Say, to fulfill their own wants, rather than those of others. Production is therefore not a question of supply, but an indication of producers demanding goods. Say agreed that a part of the income is saved by the households, but in the long term, savings are invested. Investment and consumption are the two elements of demand, so that production is demand, so it is impossible for production to outrun demand, or for there to be a "general glut" of supply. Say also argued that money was neutral, because its sole role is to facilitate exchanges: therefore, people demand money only to buy commodities. Say said that "money is a veil". To sum up these two ideas, Say said "products are exchanged for products". At most, there will be different economic sectors whose demands are not fulfilled. But over time supplies will shift, businesses will retool for different production and the market will correct itself. An example of a "general glut" could be unemployment, in other words, too great a supply of workers, and too few jobs. Say's Law advocates would suggest that this necessarily means there is an excess demand for other products that will correct itself. This remained a foundation of economic theory until the 1930s. Say's Law was first put forward by James Mill (1773-1836) in English, and was advocated by David Ricardo, Henry Thornton[32] and John Stuart Mill. However two political economists, Thomas Malthus and Sismondi, were unconvinced.

### Thomas Malthus

Malthus cautioned law makers on the effects of poverty reduction policies.

Thomas Malthus (1766-1834) was a Tory minister in the United Kingdom Parliament who, contrasting to Bentham, believed in strict government abstention from social ills.[33] Malthus devoted the last chapter of his book Principles of Political Economy (1820) to rebutting Say's law, and argued that the economy could stagnate with a lack of "effectual demand".[34] In other words, wages if less than the total costs of production cannot purchase the total output of industry and that this would cause prices to fall. Price falls decrease incentives to invest, and the spiral could continue indefinitely. Malthus is more notorious however for his earlier work, An Essay on the Principle of Population. This argued that intervention was impossible because of two factors. "Food is necessary to the existence of man," wrote Malthus. "The passion between the sexes is necessary and will remain nearly in its present state," he added, meaning that the "power of the population is infinitely greater than the power in the Earth to produce subsistence for man."[35] Nevertheless growth in population is checked by "misery and vice". Any increase in wages for the masses would cause only a temporary growth in population, which given the constraints in the supply of the Earth's produce would lead to misery, vice and a corresponding readjustment to the original population.[36] However more labour could mean more economic growth, either one of which was able to be produced by an accumulation of capital.

### David Ricardo

Ricardo is renowned for his law of comparative advantage.

David Ricardo (1772-1823) was born in London. By the age of 26, he had become a wealthy stock market trader and bought himself a constituency seat in Ireland to gain a platform in the British parliament's House of Commons.[37] Ricardo's best known work is his Principles of Political Economy and Taxation, which contains his critique of barriers to international trade and a description of the manner the income is distributed in the population. Ricardo made a distinction between the workers, who received a wage fixed to a level at which they can survive, the landowners, who earn a rent, and capitalists, who own capital and receive a profit, a residual part of the income.[38] If population grows, it becomes necessary to cultivate additional land, whose fertility is lower than that of already cultivated fields, because of the law of decreasing productivity. Therefore, the cost of the production of the wheat increases, as well as the price of the wheat: The rents increase also, the wages, indexed to inflation (because they must allow workers to survive) too. Profits decrease, until the capitalists can no longer invest. The economy, Ricardo concluded, is bound to tend towards a steady state.

### John Stuart Mill

Mill, weaned on the philosophy of Jeremy Bentham, wrote the most authoritative economics text of his time.

John Stuart Mill (1806-1873) was the dominant figure of political economic thought of his time, as well as being a Member of Parliament for the seat of Westminster, and a leading political philosopher. Mill was a child prodigy, reading Ancient Greek from the age of 3, and being vigorously schooled by his father James Mill.[41] Jeremy Bentham was a close mentor and family friend, and Mill was heavily influenced by David Ricardo. Mill's textbook, first published in 1848 and titled Principles of Political Economy was essentially a summary of the economic wisdom of the mid nineteenth century.[42] It was used as the standard texts by most universities well into the beginning of the twentieth century. On the question of economic growth Mill tried to find a middle ground between Adam Smith's view of ever expanding opportunities for trade and technological innovation and Thomas Malthus' view of the inherent limits of population. In his fourth book Mill set out a number of possible future outcomes, rather than predicting one in particular. The first followed the Malthusian line that population grew quicker than supplies, leading to falling wages and rising profits.[43] The second, per Smith, said if capital accumulated faster than population grew then real wages would rise. Third, echoing David Ricardo, should capital accumulate and population increase at the same rate, yet technology stay stable, there would be no change in real wages because supply and demand for labour would be the same. However growing populations would require more land use, increasing food production costs and therefore decreasing profits. The fourth alternative was that technology advanced faster than population and capital stock increased.[44] The result would be a prospering economy. Mill felt the third scenario most likely, and he assumed technology advanced would have to end at some point.[45] But on the prospect of continuing economic growth, Mill was more ambivalent.

"I confess I am not charmed with the ideal of life held out by those who think that the normal state of human beings is that of struggling to get on; that the trampling, crushing, elbowing, and treading on each other's heels, which form the existing type of social life, are the most desirable lot of human kind, or anything but the disagreeable symptoms of one of the phases of industrial progress.[46]

Mill is also credited with being the first person to speak of supply and demand as a relationship rather than mere quantities of goods on markets,[47] the concept of opportunity cost and the rejection of the wage fund doctrine.[48]

## Marxist economics

Karl Marx provided a fundamental critique of classical economics, based on the labour theory of value.

Just as the term "mercantilism" had been coined and popularised by its critics, like Adam Smith, so was the term "capitalism" or Kapitalismus used by its dissidents, primarily Karl Marx. Karl Marx (1818-1883) was, and in many ways still remains the pre-eminent socialist economist. His combination of political theory represented in the Communist Manifesto and the dialectic theory of history inspired by Friedrich Hegel provided a revolutionary critique of capitalism as he saw it in the nineteenth century. The socialist movement that he joined had emerged in response to the conditions of people in the new industrial era and the classical economics which accompanied it. He wrote his magnum opus Das Kapital at the British Museum's library.

### Context

With Marx, Friedrich Engels coauthored the Communist Manifesto, and the second volume of Das Kapital.

Robert Owen (1771-1858) was one industrialist who determined to improve the conditions of his workers. He bought textile mills in New Lanark, Scotland where he forbade children under ten to work, set the workday from 6 a.m. to 7 p.m. and provided evening schools for children when they finished. Such meagre measures were still substantial improvements and his business remained solvent through higher productivity, though his pay rates were lower than the national average.[49] He published his vision in The New View of Society (1816) during the passage of the Factory Acts, but his attempt from 1824 to begin a new utopian community in New Harmony, Indiana ended in failure. One of Marx's own influences was the French philosopher Pierre Proudhon. While deeply critical of capitalism, he also objected to those contemporary socialists who idolized association. In his book The Philosophy of Poverty Proudhon made a political economic attack on the classical subsistence theory of wages.(1846)[50] In his book What is Property? (1840) he argue that property is theft, a different view than the classical Mill, who had written that "partial taxation is a mild form of robbery".[51] However, towards the end of his life, Proudhon modified some of his earlier views. In the posthumously published Theory of Property, he argued that "property is the only power that can act as a counterweight to the State."[52] Friedrich Engels, a published radical author, released a book titled The Condition of the Working Class in England in 1844[53] describing people's positions as "the most unconcealed pinnacle of social misery in our day." After Marx died, it was Engels that completed the second volume of Das Kapital from Marx's notes.

### After Marx

The first volume of Das Kapital was the only one Marx alone published. The second and third volumes were done with the help of Friedrich Engels and Karl Kautsky, who had become a friend of Engels, saw through the publication of volume four.

Marx had begun a tradition of economists who concentrated equally on political affairs. Also in Germany, Rosa Luxembourg was a member of the SPD, who later turned towards the Communist Party because of their stance against the First World War. Beatrice Webb in England was a socialist, who helped found both the London School of Economics (LSE) and the Fabian Society.

## Neoclassical thought

In the 1860s, a revolution took place in economics. The new ideas were that of the Marginalist school. Writing simultaneously and independently, a Frenchman (Leon Walras), an Austrian (Carl Menger) and an Englishman (Stanley Jevons) were developing the theory, which had some antecedents. Instead of the price of a good or service reflecting the labor that has produced it, it reflects the marginal usefulness (utility) of the last purchase. This meant that in equilibrium, people's preferences determined prices, including, indirectly the price of labor.

This current of thought was not united, and there were three main schools working independently. The Lausanne school, whose two main representants were Walras and Vilfredo Pareto, developed the theories of general equilibrium and optimality. The main written work of this school was Walras' Elements of Pure Economics. The Cambridge school appeared with Jevons' Theory of Political Economy in 1871. This English school has developed the theories of the partial equilibrium and has insisted on markets' failures. The main representatives were Alfred Marshall, Stanley Jevons and Arthur Pigou. The Vienna school was made up of Austrian economists Menger, Eugen von Böhm-Bawerk and Friedrich von Wieser. They developed the theory of capital and has tried to explain the presence of economic crises. It appeared in 1871 with Menger's Principles of Economics.

### Marginal utility

File:Jevons.jpeg
William Stanley Jevons helped popularise marginal utility theory.

Carl Menger (1840-1921), an Austrian economist stated the basic principle of marginal utility in Grundsätze der Volkswirtschaftslehre[54] (1871, Principles of Economics). Consumers act rationally by seeking to maximise satisfaction of all their preferences. People allocate their spending so that the last unit of a commodity bought creates no more than a last unit bought of something else. Stanley Jevons (1835-1882) was his English counterpart, and worked as tutor and later professor at Owens College, Manchester and University College, London. He emphasised in the Theory of Political Economy (1871) that at the margin, the satisfaction of goods and services decreases. An example of the theory of diminishing returns is that for every orange one eats, the less pleasure one gets from the last orange (until one stops eating). Then Leon Walras (1834-1910), again working independently, generalised marginal theory across the economy in Elements of Pure Economics (1874). Small changes in people's preferences, for instance shifting from beef to mushrooms, would lead to a mushroom price rise, and beef price fall. This stimulates producers to shift production, increasing mushrooming investment, which would increase market supply and a new price equilibrium between the products - e.g. lowering the price of mushrooms to a level between the two first levels. For many products across the economy the same would go, if one assumes markets are competitive, people choose on self interest and no cost in shifting production.

Early attempts to explain away the periodical crises of which Marx had spoken were not initially as successful. After finding a statistical correlation of sunspots and business fluctuations and following the common belief at the time that sunspots had a direct effect on weather and hence agricultural output, Stanley Jevons wrote,

"when we know that there is a cause, the variation of the solar activity, which is just of the nature to affect the produce of agriculture, and which does vary in the same period, it becomes almost certain that the two series of phenomena— credit cycles and solar variations—are connected as effect and cause.[55]

### Mathematical analysis

File:Marshall.gif
Alfred Marshall wrote the main alternative textbook to John Stuart Mill of the day, Principles of Economics (1882)

Vilfredo Pareto (1848-1923) was an Italian economist, best known for developing the concept of the circumstance under which nobody need be made worse off, and nobody better off through wealth redistribution. When this situation exists, the economy is said to be "Pareto efficient". Pareto devised mathematical representations for this optimal resource allocation, which when represented on a graph would yield a curve. Different points along the curve represent different allocations, but each would be optimally efficient. Rather than using the persuasive language of classical economists like Mill, the Pareto efficient curve could be represented with a precise mathematical formula:

$P(Y) = \{ y^{\prime} \in Y: \; \{y^{\prime\prime} \in Y:\; y^{\prime\prime} \succ y^{\prime}, y^{\prime\prime} \neq y^{\prime} \; \} = \empty \}$.

Alfred Marshall is also credited with an attempt to put economics on a more mathematical footing. He was the first Professor of Economics at the University of Cambridge and his work, Principles of Economics[56] coincided with the transition of the subject from "political economy" to his favoured term, "economics". He viewed maths as a way to simplify economic reasoning, though had reservations, revealed in a letter to his student Arthur Cecil Pigou.

"(1) Use mathematics as shorthand language, rather than as an engine of inquiry. (2) Keep to them till you have done. (3) Translate into English. (4) Then illustrate by examples that are important in real life. (5) Burn the mathematics. (6) If you can’t succeed in 4, burn 3. This I do often."[57]

Coming after the marginal revolution, Marshall concentrated on reconciling the classical labour theory of value, which had concentrated on the supply side of the market, with the new marginalist theory that concentrated on the consumer demand side. Marshall's graphical representation is the famous supply and demand graph, the "Marshallian cross". He insisted it is the intersection of both supply and demand that produce an equilibrium of price in a competitive market. Over the long run, argued Marshall, the costs of production and the price of goods and services tend towards the lowest point consistent with continued production. Arthur Cecil Pigou in Wealth and Welfare (1920), insisted on the existence of market failures. Markets are inefficient in case of economic externalities, and the State must interfere. However, Pigou retained free-market beliefs, and in 1933, in the face of the economic crisis, he explained in The Theory of Unemployment that the excessive intervention of the state in the labor market was the real cause of massive unemployment, because the governments had established a minimal wage, which prevented the wages from adjusting automatically. This was to be the focus of attack from Keynes.

### The Austrian school

While the end of the nineteenth century and the beginning of the twentieth were dominated increasingly by mathematical analysis, the followers of Carl Menger, in the tradition of Eugen von Böhm-Bawerk, followed a different route, advocating the use of deductive logic instead. This group became known as the Austrian School, reflecting the Austrian origin of many of the early adherents. Thorstein Veblen in 1900, in his Preconceptions of Economic Science, contrasted neoclassical marginalists in the tradition of Alfred Marshall from the philosophies of the Austrian school.[58][59]

Joseph Schumpeter

Joseph Alois Schumpeter (1883 – 1950) was an Austrian economist and political scientist mostly known for his works on business cycles and innovation. He insisted on the role of the entrepreneurs in an economy. In Business Cycles: A theoretical, historical and statistical analysis of the Capitalist process, Schumpeter made a synthesis of the theories about business cycles. He suggested that those cycles could explain the economic situations. According to Schumpeter, capitalism necessarily goes through long-term cycles, because it is entirely based upon on scientific inventions and innovations. A phase of expansion is made possible by innovations, because they bring productivity gains and encourage entrepreneurs to invest. However, when investors have no more opportunities to invest, the economy goes into recession, several firms collapse, closures and bankruptcy occur. This phase lasts until new innovations bring a creative destruction process, i.e. they destroy old products, reduce the employment, but they allow the economy to start a new phase of growth, based upon new products and new factors of production.[60]

Ludwig von Mises (1881 – 1973) was an Austrian economist who contributed the idea of praxeology, "The science of human action". Praxeology views economics as a series of voluntary trades that increase the satisfaction of the involved parties. Mises also argued that socialism suffers from an unsolvable economic calculation problem, which according to him, could only be solved through free market price mechanisms.

Mises' outspoken criticisms of socialism had a large influence on the economic thinking of Friedrich von Hayek (1899-1992), who, while initially sympathetic to socialism, became one of the leading academic critics of collectivism in the 20th century.[61] In echoes of Smith's "system of natural liberty", Hayek argued that the market is a "spontaneous order" and actively disparaged the concept of "social justice".[62] Hayek believed that all forms of collectivism (even those theoretically based on voluntary cooperation) could only be maintained by a central authority. In his book, The Road to Serfdom (1944) and in subsequent works, Hayek claimed that socialism required central economic planning and that such planning in turn would lead towards totalitarianism. Hayek attributed the birth of civilization to private property in his book The Fatal Conceit (1988). According to him, price signals are the only means of enabling each economic decision maker to communicate tacit knowledge or dispersed knowledge to each other, in order to solve the economic calculation problem. Along with his contemporary Gunnar Myrdal, Hayek was awarded the Nobel Prize in 1974.

## John Maynard Keynes, the Keynesian revolution

John Maynard Keynes (right) with his American counterpart Harry White at the Bretton Woods conference.

John Maynard Keynes (1883-1946) was born in Cambridge, educated at Eton and supervised by both A. C. Pigou and Alfred Marshall at Cambridge University. He began his career as a lecturer, before working in the British government during the Great War, and rose to be the British government's financial representative at the Versailles conference. His observations were laid out in his book The Economic Consequences of the Peace.[63] In his Theory of Money, Keynes said that savings and investment were independently determined. The amount saved had little to do with variations in interest rates which in turn had little to do with how much was invested. Keynes thought that changes in saving depended on the changes in the predisposition to consume which resulted from marginal, incremental changes to income. Therefore, investment was determined by the relationship between expected rates of return on investment and the rate of interest.

During the Great Depression, Keynes had published his most important work, The General Theory of Employment, Interest, and Money (1936). He argued that there exists a continuum of equilibria, the full employment equilibrium position being just one of them. One innovation in his core argument is to stop taking prices and wages as perfectly flexible, arguing instead for a certain degree of stickiness. Thanks to stickiness, it is established that the interaction of "aggregate demand" and "aggregate supply" may lead to stable unemployment equilibria. To combat unemployment Keynes advocated low interest rates and easy credit. However, Keynes also argued that low interest rates were not the only necessary condition to restore economic activity. If investors' expectations are pessimistic (they forecast that effective demand will not grow) they will not invest. So lasting unemployment was entirely possible, and there would be no automatic self correction without external intervention by government. Keynes advocated that state spending be financed by a budgetary deficit.

The book was an enormous success, although it was opposed and criticized a number of people.[64] As a UK representative he helped formulate the plans for the International Monetary Fund, the World Bank and an International Trade Organisation[65] at the Bretton Woods conference, a package designed to stabilize world economy fluctuations and create a level trading field across the globe.

## The "American Way"

After World War II, the United States had become the pre-eminent global economic power. Europe and the Soviet Union lay in ruins and the British Empire was at its end. Until then, American economists had played a minor role. The institutional economists had been largely critical of the "American Way" of life, especially regarding conspicuous consumption of the Roaring Twenties before the Wall Street Crash of 1929. After the war, however, a more orthodox body of thought took root, reacting against the lucid debating style of Keynes, and re-mathematizing the profession. The orthodox centre was also challenged by a more radical group of scholars based at the University of Chicago. They advocated "liberty" and "freedom", looking back to 19th century-style non-interventionist governments.

### Institutionalism

Thorsten Veblen came from a Norwegian immigrant family in rural mid-western America.

Thorsten Veblen (1857-1929), who came from rural mid-western America and worked at the University of Chicago, is one of the best known early critics of the "American Way". In The Theory of the Leisure Class (1899) he scorned materialistic culture and wealthy people who conspicuously consumed their riches as a way of demonstrating success and in The Theory of Business Enterprise (1904) Veblen distinguished production for people to use things and production for pure profit, arguing that the former is often hindered because businesses pursue the latter. Output and technological advance are restricted by business practices and the creation of monopolies. Businesses protect their existing capital investments and employ excessive credit, leading to depressions and increasing military expenditure and war through business control of political power. These two books, focusing on criticism first of consumerism, and second of profiteering, did not advocate change. However, in 1911, Veblen joined the faculty of the University of Missouri, where he had support from Herbert Davenport, the head of the economics department. Veblen remained at Columbia, Missouri through 1918. In that year, he moved to New York to begin work as an editor of a magazine called The Dial, and then in 1919, along with Charles Beard, James Harvey Robinson and John Dewey, helped found the New School for Social Research (known today as The New School). He was also part of the Technical Alliance,[66] created in 1919 by Howard Scott. From 1919 through 1926 Veblen continued to write and to be involved in various activities at The New School. During this period he wrote The Engineers and the Price System (1921)[67].

John R. Commons (1862-1945) also came from mid-Western America. Underlying his ideas, consolidated in Institutional Economics (1934) was the concept that the economy is a web of relationships between people with diverging interests. There are monopolies, large corporations, labour disputes and fluctuating business cycles. They do however have an interest in resolving these disputes. Government, thought Commons, ought to be the mediator between the conflicting groups. Commons himself devoted much of his time to advisory and mediation work on government boards and industrial commissions.

Adolf Augustus Berle, Jr. with Gardiner Means was a foundational figure of modern corporate governance.

The Great Depression was a time of significant upheaval in the States. One of the most original contributions to understanding what had gone wrong came from a Harvard University lawyer, named Adolf Berle (1895-1971), who like John Maynard Keynes had resigned from his diplomatic job at the Paris Peace Conference, 1919 and was deeply disillusioned by the Versailles Treaty. In his book with Gardiner C. Means, The Modern Corporation and Private Property (1932), he detailed the evolution in the contemporary economy of big business, and argued that those who controlled big firms should be better held to account. Directors of companies are held to account to the shareholders of companies, or not, by the rules found in company law statutes. This might include rights to elect and fire the management, require for regular general meetings, accounting standards, and so on. In 1930s America, the typical company laws (e.g. in Delaware) did not clearly mandate such rights. Berle argued that the unaccountable directors of companies were therefore apt to funnel the fruits of enterprise profits into their own pockets, as well as manage in their own interests. The ability to do this was supported by the fact that the majority of shareholders in big public companies were single individuals, with scant means of communication, in short, divided and conquered. Berle served in President Franklin Delano Roosevelt's administration through the depression, and was a key member of the so called "Brain trust" developing many of the New Deal policies. In 1967, Berle and Means issued a revised edition of their work, in which the preface added a new dimension. It was not only the separation of controllers of companies from the owners as shareholders at stake. They posed the question of what the corporate structure was really meant to achieve.

“Stockholders toil not, neither do they spin, to earn [dividends and share price increases]. They are beneficiaries by position only. Justification for their inheritance... can be founded only upon social grounds... that justification turns on the distribution as well as the existence of wealth. Its force exists only in direct ratio to the number of individuals who hold such wealth. Justification for the stockholder's existence thus depends on increasing distribution within the American population. Ideally the stockholder's position will be impregnable only when every American family has its fragment of that position and of the wealth by which the opportunity to develop individuality becomes fully actualized.”[68]

### John Kenneth Galbraith

John K. Galbraith began his career as a high flying "new dealer", in the administration of Franklin Delano Roosevelt during the Great Depression. An interview from the early 1990s is here.

After the war, John Kenneth Galbraith (1908-2006) became one of the standard bearers for pro-active government and liberal-democrat politics. In The Affluent Society (1958), Galbraith argued voters reaching a certain material wealth begin to vote against the common good. He argued that the "conventional wisdom" of the conservative consensus was not enough to solve the problems of social inequality.[69] In an age of big business, he argued, it is unrealistic to think of markets of the classical kind. They set prices and use advertising to create artificial demand for their own products, distorting people's real preferences. Consumer preferences actually come to reflect those of corporations—a "dependence effect"—and the economy as a whole is geared to irrational goals.[70] In The New Industrial State Galbraith argued that economic decisions are planned by a private-bureaucracy, a technostructure of experts who manipulate marketing and public relations channels. This hierarchy is self serving, profits are no longer the prime motivator, and even managers are not in control. Because they are the new planners, corporations detest risk, require steady economic and stable markets. They recruit governments to serve their interests with fiscal and monetary policy, for instance adhering to monetarist policies which enrich money-lenders in the City through increases in interest rates. While the goals of an affluent society and complicit government serve the irrational technostructure, public space is simultaneously impoverished. Galbraith paints the picture of stepping from penthouse villas onto unpaved streets, from landscaped gardens to unkempt public parks. In Economics and the Public Purpose (1973) Galbraith advocates a "new socialism" as the solution, nationalising military production and public services such as health care, introducing disciplined salary and price controls to reduce inequality.

### Paul Samuelson

File:Paul Samuelson.gif
Paul Samuelson wrote the best selling economics texts.

In contrast to Galbraith's linguistic style, the post-war economics profession began to synthesise much of Keynes' work with mathematical representations. Introductory university economics courses began to present economic theory as a unified whole in what is referred to as the neoclassical synthesis. "Positive economics" became the term created to describe certain trends and "laws" of economics that could be objectively observed and described in a value free way, separate from "normative economic" evaluations and judgments. The best selling textbook writer of this generation was Paul Samuelson (1915-2009). His Ph.D. was an attempt to show that mathematical methods could represent a core of testable economic theory. It was published as Foundations of Economic Analysis in 1947. Samuelson started with two assumptions. First, people and firms will act to maximise their self interested goals. Second, markets tend towards an equilibrium of prices, where demand matches supply. He extended the mathematics to describe equilibrating behaviour of economic systems, including that of the then new macroeconomic theory of John Maynard Keynes. Whilst Richard Cantillon had imitated Isaac Newton's mechanical physics of inertia and gravity in competition and the market,[10] the physiocrats had copied the body's blood system into circular flow of income models, William Jevons had found growth cycles to match the periodicity of sunspots, Samuelson adapted thermodynamics formulae to economic theory. Reasserting economics as a hard science was being done in the United Kingdom also, and one celebrated "discovery", of A. W. Phillips, was of a correlative relationship between inflation and unemployment. The workable policy conclusion was that securing full employment could be traded-off against higher inflation. Samuelson incorporated the idea of the Phillips curve into his work. His introductory textbook Economics was influential and widely adopted. It became the most successful economics text ever. Paul Samuelson was awarded the new Nobel Prize in Economics in 1970 for his merging of mathematics and political economy.

### Kenneth Arrow

Kenneth Arrow, interview (1/09) on the financial crisis of 2007–2010. here.

Kenneth Arrow (born 1921) is Paul Samuelson's brother-in-law. His first major work, forming his doctoral dissertation at Columbia University was Social Choice and Individual Values (1951), which brought economics into contact with political theory. This gave rise to social choice theory with the introduction of his "Possibility Theorem". In his words,

If we exclude the possibility of interpersonal comparisons of utility, then the only methods of passing from individual tastes to social preferences which will be satisfactory and which will be defined for a wide range of sets of individual orderings are either imposed or dictatorial.[71]

This sparked widespread discussion over how to interpret the different conditions of the theorem and what implications it had for democracy and voting. Most controversial of his four (1963) or five (1950/1951) conditions is the independence of irrelevant alternatives.

In the 1950s, Arrow and Gerard Debreu developed the Arrow-Debreu model of general equilibria. In 1971 Arrow with Frank Hahn co-authored General Competitive Analysis (1971), which reasserted a theory of general equilibrium of prices through the economy. In 1969 the Swedish Central Bank began awarding a prize in economics, as an analogy to the Nobel prizes awarded in Chemistry, Physics, Medicine as well as Literature and Peace (though Alfred Nobel never endorsed this in his will). With John Hicks, Arrow won the Bank of Sweden prize in 1972, the youngest recipient ever. The year before, US President Richard Nixon's had declared that "We are all Keynesians now".[72] The irony was that this was the beginning of a new revolution in economic thought.

## Monetarism and the Chicago school

The interventionist monetary and fiscal policies that the orthodox post-war economics recommended came under attack in particular by a group of theorists working at the University of Chicago, which came to be known as the Chicago School. This more conservative strand of thought reasserted a "libertarian" view of market activity, that people are best left to themselves, free to choose how to conduct their own affairs. More academics who have worked at the University of Chicago have been awarded the Nobel Prize in Economics than those from any other university.

### Ronald Coase

Ronald Coase (born 1910) is the most prominent economic analyst of law and the 1991 Nobel Prize winner. His first major article, The Nature of the Firm (1937), argued that the reason for the existence of firms (companies, partnerships, etc.) is the existence of transaction costs. Rational individuals trade through bilateral contracts on open markets until the costs of transactions mean that using corporations to produce things is more cost-effective. His second major article, The Problem of Social Cost (1960), argued that if we lived in a world without transaction costs, people would bargain with one another to create the same allocation of resources, regardless of the way a court might rule in property disputes. Coase used the example of an old legal case about nuisance named Sturges v Bridgman, where a noisy sweetmaker and a quiet doctor were neighbours and went to court to see who should have to move.[73] Coase said that regardless of whether the judge ruled that the sweetmaker had to stop using his machinery, or that the doctor had to put up with it, they could strike a mutually beneficial bargain about who moves house that reaches the same outcome of resource distribution. Only the existence of transaction costs may prevent this.[74] So the law ought to pre-empt what would happen, and be guided by the most efficient solution. The idea is that law and regulation are not as important or effective at helping people as lawyers and government planners believe.[75] Coase and others like him wanted a change of approach, to put the burden of proof for positive effects on a government that was intervening in the market, by analysing the costs of action.[76]

### Milton Friedman

Milton Friedman advocated minimal government intervention in any market.

Milton Friedman (1912-2006) stands as one of the most influential economists of the late twentieth century. He won the Nobel Prize in Economics in 1976, among other things, for A Monetary History of the United States (1963). Friedman argued that the Great Depression had been caused by the Federal Reserve's policies through the 1920s, and worsened in the 1930s. Friedman argues laissez-faire government policy is more desirable than government intervention in the economy. Governments should aim for a neutral monetary policy oriented toward long-run economic growth, by gradual expansion of the money supply. He advocates the quantity theory of money, that general prices are determined by money. Therefore active monetary (e.g. easy credit) or fiscal (e.g. tax and spend) policy can have unintended negative effects. In Capitalism and Freedom (1967) Friedman wrote:

"There is likely to be a lag between the need for action and government recognition of the need; a further lag between recognition of the need for action and the taking of action; and a still further lag between the action and its effects.[77]

Friedman was also known for his work on the consumption function, the permanent income hypothesis (1957), which Friedman himself referred to as his best scientific work.[78] This work contended that rational consumers would spend a proportional amount of what they perceived to be their permanent income. Windfall gains would mostly be saved. Tax reductions likewise, as rational consumers would predict that taxes would have to rise later to balance public finances. Other important contributions include his critique of the Phillips curve and the concept of the natural rate of unemployment (1968). This critique associated his name with the insight that a government that brings about higher inflation cannot permanently reduce unemployment by doing so. Unemployment may be temporarily lower, if the inflation is a surprise, but in the long run unemployment will be determined by the frictions and imperfections in the labour market.

## Global times

### Amartya Sen

Amartya Sen (born 1933) is a leading development and welfare economist and has expressed considerable skepticism on the validity of neo-classical assumptions. He was highly critical of rational expectations theory, and devoted his work to development and human rights. He won the Nobel Prize in Economics in 1998.

Joseph Stiglitz has both been successful as an economist and a popular author. He talks about his book Making Globalization Work here.

### Joseph E. Stiglitz

Joseph Stiglitz (born 1943) Received the Nobel Prize in 2001 for his work in information economics. He has served as chairman of President Clinton's Council of Economic Advisors and as chief economist for the World Bank. Stiglitz has taught at many universities, including Columbia, Stanford, Oxford, Yale, and MIT. In recent years he has become an outspoken critic of global economic institutions. He is a popular and academic author. In Making Globalization Work (2007), he offers an account of his perspectives on issues of international economics.

"The fundamental problem with the neoclassical model and the corresponding model under market socialism is that they fail to take into account a variety of problems that arise from the absence of perfect information and the costs of acquiring information, as well as the absence or imperfections in certain key risk and capital markets. The absence or imperfection can, in turn, to a large extent be explained by problems of information.[79]

### Paul Krugman

Paul Krugman (born 1953) is a contemporary economist. His textbook International Economics (2007) appears on many undergraduate reading lists. Well known as a representative of progressivism, he writes a weekly column on economics, American economic policy, and American politics more generally in the New York Times. He was awarded the Nobel Prize in Economics in 2008 for his work on New Trade Theory and economic geography.

## Contemporary economic thought

### Macroeconomics since the Bretton Woods era

From the 1970s onwards Friedman's monetarist critique of Keynesian macroeconomics formed the starting point for a number of trends in macroeconomic theory opposed to the idea that government intervention can or should stabilise the economy.[80] Robert Lucas criticized Keynesian thought for its inconsistency with microeconomic theory. Lucas's critique set the stage for a neoclassical school of macroeconomics, New Classical economics based the foundation of classical economics. Lucas also popularized the idea of rational expectations,[81] which was used as the basis for several new classical theories including the Policy Ineffectiveness Proposition.[82]

The standard model for new classical economics is the real business cycle theory, which sought to explain observed fluctuations in output and employment in terms of real variables such as changes in technology and tastes. Assuming competitive markets, real business cycle theory implied that cyclical fluctuations are optimal responses to variability in technology and tastes, and that macroeconomic stabilisation policies must reduce welfare.[83]

Keynesian economic made a comeback among mainstream economists with the advent of New Keynesian macroeconomics. The central theme of new Keynesianism was the provision of a microeconomic foundation for Keynesian macroeconomics, obtained by identifying minimal deviations from the standard microeconomic assumptions which yield Keynesian macroeconomic conclusions, such as the possibility of significant welfare benefits from macroeconomic stabilization.[84] Akerlof’s ‘menu costs’ arguments, showing that, under imperfect competition, small deviations from rationality generate significant (in welfare terms) price stickiness, are good example of this kind of work.[85]

Articles
Lists

## Notes

1. ^ Mattick, Paul (2001-07-08). "Who Is the Real Adam Smith?". The New York Times. Retrieved 2008-05-14.
2. ^ Hoaas, David J.; Madigan, Lauren J. (1999), [Expression error: Missing operand for > "A citation analysis of economists in principles of economics textbooks"], The Social Science Journal 36 (3): 525–532, doi:10.1016/S0362-3319(99)00022-1
3. ^ Mark Blaug.Economic theory in retrospect. Cambridge University Press. 1997. ISBN 9780521577014 p. 34
4. ^ David Held, Models of Democracy (Polity, 2006) 3rd Ed., p.11 ff.
5. ^ Aristotle (350BC) Politics Book I, Part IX
6. ^ Aristotle (350BC) Politics Book I, Part X
7. ^ Aristotle (350BC) Politics Book I, Part XI
8. ^ Mochrie (2005) p.5
9. ^ Fusfeld (1994) p.15
10. ^ a b Fusfeld (1994) p.21
11. ^ Locke (1689) Chapter 9, section 124
12. ^ Locke (1689) Chapter 5, sections 26-27.
13. ^ Locke (1691) Considerations Part I, Thirdly
14. ^ Danbom (1997) Rural Development Perspectives, vol. 12, no. 1 p.15 Why Americans Value Rural Life by David B. Danbom
15. ^ Fusfeld (1994) p.24
16. ^ Hague (2004) p.187, 292
17. ^ Fusfeld (1994) p.24
18. ^ Stephen & Lee (1949) p.87
19. ^ Smith (1776) Book I, Chapter 2, para 2
20. ^ Smith (1776) p.
21. ^ Smith (1776) Book I, Chapter 5, para 1
22. ^ Smith (1776) Book I, Chapter 7, para 9
23. ^ Smith (1776) p.
24. ^ Smith (1776) Book I, Chapter 10, para 82
25. ^ Smith (1776) Book I, Chapter 7, para 26
26. ^ Keynes (1936) Chapter 1, footnote
27. ^ Bentham (1791) Chapter I, para I
28. ^ Bentham (1791) Chapter II, para I
29. ^ Bentham (1791) Chapter IV
30. ^ Bentham (1791) Chapter I, para IV
31. ^ Fusfeld (1994) p.47
32. ^ Thornton (1802) The Paper Credit of Great Britain
33. ^ Historical figures - Thomas Malthus (1766 - 1834), BBC
34. ^ "Thomas Robert Malthus, 1766-1834.". The History of Economic Thought Website. "Malthus denied the validity of Say's Law and argued that there could be a "general glut" of goods. Malthus believed that economic crises were characterized by a general excess supply caused by insufficient consumption."
35. ^ "Rationale and Core Principles", The International Society of Malthus
36. ^ Who is Thomas Malthus?, ALL About Science
37. ^ David Ricardo, Economic History Services
38. ^ David Ricardo's Contributions to Economics, The Victorian Web
39. ^ "David Ricardo", Library of Economics and Liberties
40. ^ David Ricardo, 1772-1823, The History of Economic Thought Website
41. ^ John Stuart Mill: Overview, The Internet Encyclopedia of Pholosophy.
42. ^ Pressman (2006) p.44
43. ^ John Stuart Mill, 1806-1873, The History of Economic Thought: "Happily, there is nothing in the laws of Value which remains for the present or any future writer to clear up; the theory of the subject is complete: the only difficulty to be overcome is that of so stating it as to solve by anticipation the chief perplexities which occur in applying it." (Mill's quote)
44. ^ Stanford Encyclopedy of Philosophy - John Stuart Mill section Political Economy
45. ^ Pressman (2006) p.45
46. ^ Mill (1871) Book 4, Chapter 6
47. ^ Stigler (1965) pp. 1-15
48. ^ Pressman (2006) p.46
49. ^ In 1819 this was 9 shillings, 11 pence; Fusfeld (1994) p.57
50. ^ Proudhon (1846) Philosophie de la misère
51. ^ Mill (1848) Book V, Chapter II; Interestingly Mill amended his wording from the 3rd edition in 1852, see [1]; see generally, Variations in the Editions of J.S. Mill's Principles of Political Economy, M.A. Ellis, Economic Journal, vol. 16, June 1906, pp. 291–302.
52. ^ Copleston, Frederick. Social Philosophy in France, A History of Philosophy, Volume IX, Image/Doubleday, 1994, p. 67
53. ^ Engels (1845) Die Lage der arbeitenden Klassen von England in 1844
54. ^ Menger, Carl (1871) Grundsätze der Volkswirtschaftslehre,full text in html
55. ^ Jevons (1878) p.334
56. ^ Principles of Economics, by Alfred Marshall, at the Library of Economics and Liberty
57. ^ Buchholz (1989) p.151
58. ^ Veblen, Thorstein Bunde; “The Preconceptions of Economic Science” Pt III, Quarterly Journal of Economics v14 (1900).
59. ^ Colander, David; The Death of Neoclassical Economics.
60. ^ Alessandro Roncaglia. The wealth of ideas: a history of economic thought. Cambridge University Press. 2005. ISBN 9780521843379. p. 431
61. ^ "Biography of F. A. Hayek (1899-1992)". Retrieved 2009-06-26.
62. ^ Law, legislation and liberty (1970)
63. ^ Keynes (1919) The Economic Consequences of the Peace at The Library of Economics and Liberty
64. ^ e.g. Etienne Mantioux (1946) The Carthaginian Peace, or the Economic Consequences of Mr. Keynes
65. ^ This was not accepted by the United States Congress at the time, but arose later through the General Agreement on Tariffs and Trade of 1947 and the World Trade Organisation of 1994
66. ^ Stabile, Donald R. "Veblen and the Political Economy of the Engineer: the radical thinker and engineering leaders came to technocratic ideas at the same time," American Journal of Economics and Sociology (45:1) 1986, 43-44.
67. ^ The Engineers and the Price System, 1921.
68. ^ Berle (1967) p. xxiii
69. ^ Galbraith (1958) Chapter 2; n.b. though Galbraith claimed to coin the phrase "conventional wisdom", the phrase is used several times in Thorstein Veblen's book The Instinct of Workmanship.
70. ^ Galbraith (1958) Chapter 11
71. ^ Kenneth Arrow, "A Difficulty in the Concept of Social Welfare" (1950).
72. ^ In 1971, announcing wage and price controls. This was actually lifted from a comment by Milton Friedman in 1965 which formed a Time article title, Friday, Dec. 31, 1965. See below.
73. ^ Sturges v Bridgman (1879) 11 Ch D 852
74. ^ Coase (1960) IV, 7
75. ^ Coase (1960) V, 9
76. ^ Coase (1960) VIII, 23
77. ^ Friedman (1967) p.
78. ^ Charlie Rose Show. 2005-12-26.
79. ^ Stiglitz (1996) p.5
80. ^ Manikw, N. Greg. "A Quick Refresher Course in Macroeconomics." Journal of Economic Literature, Vol. 28, No. 4. (Dec., 1990), pp. 1647.
81. ^ Mankiw, 1647-1648.
82. ^ Mankiw, 1649.
83. ^ Mankiw, 1653.
84. ^ Mankiw, 1655.
85. ^ Mankiw, 1657.

## References

Primary sources
 Aquinas, Thomas (1274) Summa TheologicaAristotle (c.a. 350BC) Nicomachean EthicsAristotle (c.a. 350BC) PoliticsArrow, Kenneth J (1951) Social Choice and Individual Values, 2nd Ed. 1963, Wiley, New York, ISBN 0300013647Arrow, Kenneth J. and Frank Hahn (1971) General Competitive Analysis, Holden-Day, San Francisco, ISBN 0816202753Bentham, Jeremy (1776) Fragment on GovernmentBentham, Jeremy (1789) An Introduction to the Principles of Morals and LegislationBurke, Edmund (1790) Reflections on the Revolution in FranceBurke, Edmund (1795) Thoughts and Details on ScarcityCantillon, Richard (1732) Essay on the Nature of Commerce in GeneralCoase, Ronald H. (1937) The Nature of the Firm Economica, Vol.4, Issue 16, pp. 386–405Coase, Ronald H. (1960) The Problem of Social Cost (this online version excludes some parts) Journal of Law and Economics, Vol.3, pp. 1–44Commons, John R. (1934) Institutional Economics New York: MacmillanEngels, Friedrich (1845) Condition of the Working Class in England in 1844Friedman, Milton (1953) Essays in Positive Economics: Part I - The Methodology of Positive Economics, University of ChicagoGalbraith, J.K. (1958) The Affluent Society, 3rd Ed. reprinted 1991, Penguin Books, ISBN 014013610Galbraith, J.K. (1967) The New Industrial StateGalbraith, J.K. (1973) Economics and the Public PurposeHobbes, Thomas (1651) LeviathanHume, David (1777) Essays, Moral, Political, LiteraryJevons, William (1871) The Theory of Political EconomyJevons, William (1878) The Periodicity of Commercial CrisesKeynes, John Maynard (1919) The Economic Consequences of the PeaceKeynes, John Maynard (1936) The General Theory of Employment, Interest and MoneyLocke, John (1689) Second Treatise on Civil GovernmentLocke, John (1691) Some Considerations on the consequences of the Lowering of Interest and the Raising of the Value of MoneyMarkwell, Donald (2006) John Maynard Keynes and International Relations: Economic Paths to War and Peace, Oxford. Marshall, Alfred (1890) Principles of EconomicsMarx, Karl (1871) Das KapitalMill, John Stuart (1871) Principles of Political EconomyMun, Thomas (1621) A Discourse of Trade from England unto the East IndiesNorth, Dudley (1691) Discourses upon tradePetty, William (1690) The Political ArithmetickQuesnay, François (1758) Tableau économiqueRicardo, David (1827) Principles of Political Economy and TaxationRobinson, Joan (1953) The Production Function and the Theory of CapitalRobinson, Joan (1962) Economic PhilosophyScotus, Duns (1295) SententiaeSen, Amartya (1985) "The Moral Standing of the Market," in Ethics and Economics, ed. Ellen Frankel Paul, Fred D. Miller, Jr and Jeffrey Paul, Oxford, Basil Blackwell, pp. 1–19Sen, Amartya (1976-7) "Rational Fools: A Critique of the Behavioural Foundations of Economic Theory," Philosophy and Public Affairs, 6, pp. 317–44Sen, Amartya (1987) On Ethics and Economics Oxford, Basil BlackwellSismondi, J.-C.-L. Simonde de (1819, trans.1991) "New Principles of Political Economy: Of Wealth in Its Relation to Population"Smith, Adam (1759) The Theory of Moral SentimentsSmith, Adam (1776) An Inquiry Into The Wealth of NationsSraffa, Piero (1960) Production of Commodities by Means of CommoditiesStigler, George J (1965) "The Nature and Role of Originality in Scientific Progress", in Essays in the History of Economics, University of Chicago Press, pp. 1–15Stiglitz, Joseph E. (1996) Whither Socialism?Thornton, Henry (1802) The Paper Credit of Great BritainTurgot, Jacques (1766) Réflexions sur la formation et la distribution des richesses in French and EnglishVeblen, Thorsten, The Theory of the Leisure Class: an economic study of institutions (1899)Veblen, Thorsten (1904) Theory of Business Enterprisevon Hörnigk, Philip (1684) Österreich Über Alles, Wenn Sie Nur Will
Secondary sources

Find more about History of economic thought on Wikipedia's sister projects:

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• Blaug, Mark (1997). Economic Theory in Retrospect, 5th ed.. Cambridge University Press. Description & chapter links, pp. vii -xvi.
• Buchholz, Todd G. (1989). New Ideas from Dead Economists, New York Penguin Group. p. 151
• Danbom, David B. (1997) Why Americans Value Rural Life, Rural Development Perspectives, vol. 12, no. 1, pp. 15–18
• Ekelund, Robert B., Jr. and Robert F. Hébert (2007). A History of Economic Theory and Method. Waveland Press. 5th ed. ISBN `1-57766-486-8.Description.
• Fusfeld, Daniel R. (1994). The Age of the Economist, Harper Collins, 7th Ed.
• Hague, William (2004). William Pitt the Younger Harper Perennial ISBN 0007147201
• Heilbroner, Robert (1953) The Worldly Philosophers, Simon & Schuster 7th Ed. 1999, ISBN 0-684-86214-X
• Macfie, Alec Lawrence (1955). "The Scottish Tradition in Economic Thought". Econ Journal Watch 6(3): 389-410. Reprinted from Scottish Journal of Political Economy 2(2): 81-103 [2]
• Markwell, Donald (2006). John Maynard Keynes and International Relations: Economic Paths to War and Peace, Oxford University Press.
• Medema, Steven G., abd Warren J. Samuels, 2003. The History of Economic Thought: A Reader. Routledge. Description & chapter links, pp. vii-ix.
• Mochrie, Robert (2005). Justice in Exchange: The Economic Philosophy of John Duns Scotus
• Pressman, Steven (2006). Fifty Major Economists, Routledge, ISBN 0415366496
• Screpanti, Ernesto, Stefano Zamagni, (2005). An Outline of the History of Economic Thought], 2nd ed. Oxford University Press. Description & ch.-preview links, pp. xi-xviii.
• Schumpeter, Joseph (1954) History of Economic Analysis, 1,260 pp. Description. Chapter-preview links for Parts I-V (arrow-page searchable). Routledge Ed. 1994, ISBN 0415108926
• Spengler, Joseph J., and William R. Allen, ed. (1960). Essays in Economic Thought: Aristotle to Marshall+. Rand McNally.
• Spiegel, Henry William (1971) The Growth of Economic Thought, Duke University Press, 3rd Ed. 1991, ISBN 0822309653
• Stephen, Lesley & Lee, Sidney (1949). Dictionary of National Biography: from the earliest times to 1900, Oxford University Press
• Nicola, PierCarlo (2000). Mainstream Mathermatical Economics in the 20th Century. Springer. ISBN 9783540670841.
• Stigler, George J. (1965). Essays in the History of Economics. University of Chicago Press.

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