background and theories of 4 economists are as follow
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According to Smith the institutions most appropriate to a period of commercial interdependence
would provide for the governing authority to pursue a laissez faire (let alone) policy in relation to
the economy. Smith justified this by arguing that people, through applying their talents and assets
where they contributed to the production of the things potential buyers wanted, sought to earnmonies. Under laissez faire systems individuals, acting in their own self-interest as economic
agents, would tend to dedicate themselves to those economic activities that brought them thegreatest reward in terms of income be it in the form wages, rent, or profit. Smith showed that by
giving themselves to such highly rewarding economic activities in their own self interest people
would also be maximizing the economic well-being of society.
According to Smith the institutions most appropriate to a period of commercial interdependence
would provide for the governing authority to pursue a laissez faire (let alone) policy in relation to
the economy. Smith justified this by arguing that people, through applying their talents and assets
where they contributed to the production of the things potential buyers wanted, sought to earn
monies. Under laissez faire systems individuals, acting in their own self-interest as economic
agents, would tend to dedicate themselves to those economic activities that brought them the
greatest reward in terms of income be it in the form wages, rent, or profit. Smith showed that by
giving themselves to such highly rewarding economic activities in their own self interest peoplewould also be maximizing the economic well-being of society.
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Alfred Marshall:Full Name: Alfred Marshall
Born: July 26, 1842(London, England)
Died: July 13, 1924, Cambridge.
Era: Neo Classical Period.
Alfred Marshall was born in July 26, 1842, London, England and died in July 13, 1924,
Cambridge, Cambridge shire) British economist, one of the founders of English neoclassical
economics. The first principal of University College, Bristol (1877 81), and a professor at the
University of Cambridge (1885 1908). In 1868 Marshall's college, St. John's, established a
special lectureship for him in moral science. In 1875 he returned from a study of trade protectionin the United States to attempt to make political economy a serious subject at Cambridge. The
English economist Alfred Marshall (1842-1924) was the founder of the "new economics." Herejected the traditional definition of economics as the "science of wealth" to establish a discipline
concerned with social welfare. Alfred Marshall is considered one of two contenders for the title
of father of neoclassical microeconomic theory.
Neoclassical economics : Overview:
Neoclassical economics is the singular element encompassing several schools of thought in
economics address. There is not a complete agreement on what is meant by neoclassical
economics, and the result is a wide range of neoclassical approaches to various problem areas anddomains -- ranging from neoclassical theories of labor to neoclassical theories of demographic
changes. As expressed by E. Roy Weintraub, neoclassical economics rests on three assumptions,
although certain branches of neoclassical theory may have different approaches:
1. People have rational preferences among outcomes that can be identified and associatedwith a value.
2. Individuals maximize utility and firms maximize profits.
3. People act independently on the basis offull and relevant information.
From these three assumptions, neoclassical economists have built a structure to understand the
allocation of scarce resources among alternative ends -- in fact understanding such allocation is
often considered the definition of economics to neoclassical theorists. Here's how William
Stanley Jevons presented "the problem of Economics".
"Given, a certain population, with various needs and powers of production, in possession ofcertain lands and other sources of material: required, the mode of employing their labour which
will maximize the utility of their produce."[7]
From the basic assumptions of neoclassical economics comes a wide range of theories about
various areas of economic activity. For example, profit maximization lies behind the neoclassical
theory of the firm, while the derivation ofdemand curves leads to an understanding ofconsumer
goods, and the supply curve allows an analysis of the factors of production. Utility maximization
is the source for the neoclassical theory of consumption, the derivation of demand curves for
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consumer goods, and the derivation of labor supply curves and reservation demand[8]. Market
supply and demand are aggregated across firms and individuals. Their interactions determine
equilibrium output and price. The market supply and demand for each factor of production is
derived analogously to those for market final output to determine equilibrium income and the
income distribution. Factor demand incorporates the marginal-productivity relationship of thatfactor in the output market.
According to Marshall, demand and supply can be conceived of as the two blades of a pair of
scissors: each blade plays a role in cutting. Demand for a good is based on the law of diminishing
marginal utility, and the amount of money a person is willing to pay reflects his or her utility at
the margin (see marginal analysis). It is the existence of this measure, Marshall argued, thatmakes economics more exact than other social sciences. One of Marshall's principal
achievements was the diagrammatic and mathematical analysis of the elasticity of demand, which
describes the sensitivity of demand to price changes. This has proved an invaluable tool for manykinds of economic analysis, such as determining the effects of taxes on different goods. Unlike
most marginalists, Marshall considered supplyas determined by the cost of productiona
central component of economic analysis. Since the amount produced depends on the effort of
workers, supply increases as prices (and therefore wages) increase. Marshall was the first to
recognize that market price is determined by the interaction of demand and supply and that thereis an important temporal dimension to this process. In general, the shorter the time period
considered, the greater the effect of demand on price. The longer the period, the bigger the effect
of the cost of production, and therefore of supply. This is because changes in the cost of
production take longer to affect the economy than do changes in demand.
Marshall's work concentrated onpartial equilibrium: it looked at only one sector of the economyat a time. For this reason, he had little to say about aggregate economic issues like business
cycles. Still, the methodological tools he introduced, such as the diagrammatic determination of
market price and the concept of the representative firm (which is neither the most efficient nor the
most inefficient in its market) have shaped aggregate analysis as well.
http://en.wikipedia.org/wiki/Reservation_pricehttp://en.wikipedia.org/wiki/Reservation_pricehttp://en.wikipedia.org/wiki/Neoclassical_economics#cite_note-7http://bea.gov/bea/glossary/glossary.cfm?key_word=Final_use&letter=F#Final_usehttp://en.wikipedia.org/wiki/Production,_costs,_and_pricinghttp://social.jrank.org/pages/2399/marginal-analysis.htmlhttp://en.wikipedia.org/wiki/Reservation_pricehttp://en.wikipedia.org/wiki/Neoclassical_economics#cite_note-7http://bea.gov/bea/glossary/glossary.cfm?key_word=Final_use&letter=F#Final_usehttp://en.wikipedia.org/wiki/Production,_costs,_and_pricinghttp://social.jrank.org/pages/2399/marginal-analysis.html -
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Lionel Charles Robbins:Full Name: Lionel Charles Robbins
Birth: November 1898 (England)
Died: May 1984)
Institution: London School of economics
Lionel Charles Robbins, Baron Robbins, was born in November 1898 and was died in 15 May
1984). He was a British economist and head of the economics department at the London School
of Economics.
Theories and influences:
Robbins is famous for his definition of economics:
"Economics is a science which studies human behavior as a relationship between ends
and scarce means which have alternative uses."
A follower of William Stanley Jevons and Philip Wicksteed, he was influenced by the
Continental European economists. Robbins was very familiar with the work of economists in
Continental Europe.
Robbins' early essays were combative in spirit, stressing the subjectivist theory of value beyond
what Anglo-Saxon economics had been used to. He wrote a famous 1932 essay on economic
methodology. His work on costs (1930, 1934) brought Wieser's "alternative cost" theorem ofsupply to England (which was opposed to Marshall's "real cost" theory of supply). His critique of
the Marshallian theory of the representative firm (1928), and his critique of the Pigovian Welfare
Economics (1932, 1938), influenced the end of the Marshallian empire.
In hisEssay on the Nature and Significance of Economic Science, Robbins made his Continentalcredentials clear. Redefining the scope of economics to be "the science which studies human
behavior as a relationship between ends and scarce means which have alternative uses" (Robbins,
1932).
List of works :
"Principles Of Economics", 1923, "Economics" "Dynamics of Capitalism", 1926,Economica.
"The Optimum Theory of Population", 1927, in Gregory and Dalton, editors,London
Essays in Economics.
"The Representative Firm", 1928,EJ.
"On a Certain Ambiguity in the Conception of Stationary Equilibrium", 1930,EJ.
Essay on the Nature and Significance of Economic Science, 1932.
http://en.wikipedia.org/wiki/Economicshttp://en.wikipedia.org/wiki/London_School_of_Economicshttp://en.wikipedia.org/wiki/London_School_of_Economicshttp://en.wikipedia.org/wiki/William_Stanley_Jevonshttp://en.wikipedia.org/wiki/Philip_Wicksteedhttp://en.wikipedia.org/wiki/Continental_Europehttp://en.wikipedia.org/wiki/Subjectivisthttp://en.wikipedia.org/wiki/Arthur_Cecil_Pigouhttp://en.wikipedia.org/wiki/Welfare_Economicshttp://en.wikipedia.org/wiki/Welfare_Economicshttp://en.wikipedia.org/wiki/An_Essay_on_the_Nature_and_Significance_of_Economic_Sciencehttp://en.wikipedia.org/wiki/An_Essay_on_the_Nature_and_Significance_of_Economic_Sciencehttp://en.wikipedia.org/wiki/Essay_on_the_Nature_and_Significance_of_Economic_Sciencehttp://en.wikipedia.org/wiki/Economicshttp://en.wikipedia.org/wiki/London_School_of_Economicshttp://en.wikipedia.org/wiki/London_School_of_Economicshttp://en.wikipedia.org/wiki/William_Stanley_Jevonshttp://en.wikipedia.org/wiki/Philip_Wicksteedhttp://en.wikipedia.org/wiki/Continental_Europehttp://en.wikipedia.org/wiki/Subjectivisthttp://en.wikipedia.org/wiki/Arthur_Cecil_Pigouhttp://en.wikipedia.org/wiki/Welfare_Economicshttp://en.wikipedia.org/wiki/Welfare_Economicshttp://en.wikipedia.org/wiki/An_Essay_on_the_Nature_and_Significance_of_Economic_Sciencehttp://en.wikipedia.org/wiki/Essay_on_the_Nature_and_Significance_of_Economic_Science -
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"Remarks on the Relationship between Economics and Psychology", 1934, Manchester
School.
"Remarks on Some Aspects of the Theory of Costs", 1934,EJ.
The Great Depression, 1934. Scroll to chapter-preview links.
"The Place of Jevons in the History of Economic Thought", 1936, Manchester School.
"Interpersonal Comparisons of Utility: A Comment", 1938,EJ.
The Economic Causes of War, 1939. The Economic Problem in Peace and War, 1947.
The Theory of Economic Policy in English Classical Political Economy, 1952.
Robert Torrens and the Evolution of Classical Economics, 1958.
Politics and Economics, 1963.
The University in the Modern World, 1966.
The Theory of Economic Development in the History of Economic Thought, 1968.
Jacob Viner: A tribute, 1970.
The Evolution of Modern Economic Theory, 1970.
Autobiography of an Economist, 1971.
Political Economy, Past and Present, 1976.
Against Inflation, 1979.
Higher Education Revisited, 1980. "Economics and Political Economy", 1981,AER.
A History of Economic Thought: the LSE Lectures, edited by Warren J. Samuels andSteven G. Medema, 1998.
http://books.google.com/books?hl=en&lr=&id=Ar2osFxNDJgC&oi=fnd&pg=PR13&dq=monetary+economics+%22great+financial+crisis%22&ots=TBHMC5KPw-&sig=XNpb2j6SFR0ogt2hct6wpxLGNXk#v=onepage&q&f=falsehttp://books.google.com/books?hl=en&lr=&id=Ar2osFxNDJgC&oi=fnd&pg=PR13&dq=monetary+economics+%22great+financial+crisis%22&ots=TBHMC5KPw-&sig=XNpb2j6SFR0ogt2hct6wpxLGNXk#v=onepage&q&f=false -
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J. M. Keynes:Full Name: John Maynard Keynes.
Born: 5 June 1883 (Cambridge)Died: April 1946 Firle, East Sussex, England
John Maynard Keynes, 1st Baron Keynes,was born in 5 June 1883 and was died in 21 April
1946). He was a British economist whose ideas have profoundly affected the theory and practice
ofmodern macroeconomics, as well as the economic policies of governments. He identified the
causes ofbusiness cycles, and advocated the use offiscal and monetary measures to mitigate theadverse effects of economic recessions and depressions. His ideas are the basis for the school of
thought known as Keynesian economics, and its various offshoots.
Keynesian Economics Theory:
Keynes stated that if Investment exceeds saving, there will be inflation. If Saving exceeds
Investment there will be recession. One implication of this is that, in the midst of an economic
depression, the correct course of action should be to encourage spending and discourage saving.
This runs contrary to the prevailing wisdom, which says that thrift is required in hard times. In
Keynes's words, "For the engine which drives Enterprise is not Thrift, but Profit."
-Keynes took issue with Say's Law - one of the economic "givens" of his era. Say's Law statesthat supply creates demand. Keynes believed the opposite to be true - output is determined by
demand.
-Keynes argued that full employment could not always be reached by making wages sufficiently
low. Economies are made up of aggregate quantities of output resulting from aggregate streamsof expenditure - unemployment is caused if people don't spend enough money.
-In recessions the aggregate demand of economies falls. In other words, businesses and people
tighten their belts and spend less money. Lower spending results in demand falling further and a
vicious circle ensues of job losses and further falls in spending. Keynes's solution to the problem
was that governments should borrow money and boost demand by pushing the money into the
economy. Once the economy recovered, and was expanding again, governments should pay back
the loans.
-Economically and socially successful economies have significant contributions from both the
government and the private sectors.
-Keynes's view that governments should play a major role in economic management marked abreak with the laissez-faire economics of Adam Smith, which held that economies function best
when markets are left free of state intervention.
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