is the body of knowledge, theories, and models of economics
, as taught by universities worldwide, that are generally accepted by economists
as a basis for discussion. Also known as orthodox economics
, it can be contrasted to heterodox economics
, which encompasses various schools or approaches
that are only accepted by a minority of economists.
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Economics has always featured multiple schools of economic thought
, with different schools having different prominence across countries and over time. The current use of the term "mainstream economics" is specific to the post–World War II
era, particularly in the English-speaking world
, and to a lesser extent globally.
Prior to the development and prevalence of classical economics, the dominant school in Europe was mercantilism
, which was rather a loose set of related ideas than an institutionalized school. With the development of modern economics, conventionally given as the late 18th-century The Wealth of Nations
by Adam Smith
, British economics developed and became dominated by what is now called the classical school
. From The Wealth of Nations
until the Great Depression
, the dominant school within the English-speaking world was classical economics, and its successor, neoclassical economics
In continental Europe, the earlier work of the physiocrats
in France formed a distinct tradition, as did the later work of the historical school of economics
in Germany, and throughout the 19th century there were debates in British economics, notably the opposition underconsumptionist
During the Great Depression and the following Second World War
, the school of Keynesian economics
gained attention, which built on the work of the underconsumptionist school, and gained prominence as part of the neoclassical synthesis
, which was the post–World War II merger of Keynesian macroeconomics and neoclassical microeconomics that prevailed from the 1950s till the 1970s.
In the 1970s, the consensus in macroeconomics collapsed as a result of the failure of the neoclassical synthesis to explain the phenomenon of stagflation
: subsequent to this, two schools of thought in the field emerged: New Keynesianism
and New classical macroeconomics
. Both sought to rebuild macroeconomics using microfoundations
- to explain macroeconomic phenomenon using microeconomics.
Over the course of the 1980s and the 1990s, macroeconomists coalesced around a paradigm known as the new neoclassical synthesis
which combines elements of both New Keynesian and New classical macroeconomics, and forms the basis for the current consensus, which covers previously disputed areas of macroeconomics.
The consensus built around this synthesis is characterised by an unprecedented agreement on methodological questions (such as the need to validate models econometrically); such agreement had, until the new synthesis, historically eluded macroeconomics- even during the neoclassical synthesis
The financial crisis of 2007–2010
and the ensuing global economic crisis exposed modelling failures in the field of short-term macroeconomics, which was publicly confused with all of mainstream economics.
The term "mainstream economics" came into use in the late 20th century. It appeared in 2001 edition of the seminal textbook Economics
on the inside back cover in the "Family Tree of Economics," which depicts arrows into "Modern Mainstream Economics" from J.M. Keynes
(1936) and neoclassical economics
(1860–1910). The term "neoclassical synthesis
" itself also first appears in the 1955 edition of Samuelson's textbook.
Mainstream economics can be defined, as distinct from other schools of economics, by various criteria, notably by its assumptions,
and its topics.
It is however also useful to challenge this distinction in light of the mutation of mainstream economics.[according to whom?]
While being long rejected by many heterodox schools, several assumptions used to underpin many mainstream economic models. These include the neoclassical assumptions of rational choice theory
, a representative agent
, and, often, rational expectations
. However, much of modern economic mainstream modeling consists of exploring the effects that complicating factors have on models, such as imperfect and asymmetric information
, bounded rationality
, incomplete markets
, imperfect competition
, heterogenous agents
and transaction costs
Originally, the starting point of orthodox economic analysis was the individual. Individuals and firms were generally defined as units with a common goal: maximisation through rational behaviour. The only differences consisted of:
- the specific objective of the maximisation (individuals tend to maximise utility and firms profit);
- and the constraints faced in the process of maximisation (individuals might be constrained by limited income or commodity prices and firms might be constrained by technology or availability of inputs).
From this (descriptive) theoretical framework, neoclassical economists like Alfred Marshall
often derived - although not systematically - the political prescription that political action should not be used to solve the problems of the economic system. Instead, the solution ought to derive from an intervention on the above-mentioned maximisation objectives and constraints. It is in this context that economic capitalism
finds its justification.
Yet, mainstream economics now includes descriptive theories of market
and government failure
and private and public goods
. These developments suggest a range of views on the desirability or otherwise of government intervention, from a more normative perspective.
Economics has been initially shaped as a discipline concerned with a range of issues revolving around money and wealth. However, in the 1930s, mainstream economics began to mutate into a science of human decision. In 1931, Lionel Robbins famously wrote "Economics is the science which studies human behaviour as a relationship between ends and scarce means which have alternative uses". This drew a line of demarcation between mainstream economics and other disciplines and schools studying the economy
The mainstream approach of economics as a science of decision-making contributed to enlarge the scope of the discipline. Economists like Gary Becker
began to study seemingly distant fields as crime, the family
, and religion. This expansion is sometimes referred to as economic imperialism
- ^ David C. Colander (2000). Complexity and History of Economic Thought, 35.
- ^ Colander, David (June 2000). "The Death of Neoclassical Economics". Journal of the History of Economic Thought. 22 (2): 127–143. doi:10.1080/10427710050025330. ISSN 1053-8372. S2CID 154275191.
- ^ The precise distinction and relationship between classical economics and neoclassical economics is a debated point. Suffice to say that these are the ex post facto terms used to refer to successive chronological periods of an interrelated group of theories.
- ^ Fonseca, Gonçalo L. "Neo-Keynesian Synthesis". www.hetwebsite.net. The History Of Economic Thought Website. Retrieved 7 May 2017.
- ^ Clark, B. (1998). Political-economy: A comparative approach. Westport, CT: Preager.
- ^ https://www.nber.org/chapters/c11099
- ^ Chapter 1. Snowdon, Brian and Vane, Howard R., (2005). Modern Macroeconomics: Its Origin, Development and Current State. Edward Elgar Publishing, ISBN 1-84542-208-2
- ^ Goodfriend, Marvin; King, Robert G (1997), "The New Neoclassical Synthesis and the Role of Monetary Policy", NBER Macroeconomics Annual, NBER Chapters, 12: 231–83, doi:10.1086/654336, JSTOR 3585232
- ^ Woodford, Michael (2009), "Convergence in Macroeconomics: Elements of the New Synthesis" (PDF), American Economic Journal: Macroeconomics, 1 (1): 267–79, doi:10.1257/mac.1.1.267
- ^ "The state of economics: The other-worldly philosophers", The Economist, July 16, 2009
- ^ Krugman, Paul (September 2, 2009). "How did economists get it so wrong?". The New York Times Magazine.
- ^ "ChrisAuld.com · 18 signs you're reading bad criticism of economics". Retrieved 2020-01-11.
- ^ Paul A. Samuelson and William D. Nordhaus (2001), 17th ed., Economics
- ^ Olivier Jean Blanchard (1987), "neoclassical synthesis," The New Palgrave: A Dictionary of Economics, v. 3, pp. 634–36.
- ^ https://www.nber.org/papers/w21897.pdf
- ^ a b Himmelweit, Sue (1997). "Chapter 2: The individual as the basic unit of analysis". In Green, Francis; Nore, Peter (eds.). Economics an Anti-text. London: MacMillan. pp. 21–35. ISBN 9780765639233.
- ^ https://papers.ssrn.com/sol3/papers.cfm?abstract_id=2535453
- ^ A Companion to the History of Economic Thought (2003). Blackwell Publishing. ISBN 0-631-22573-0 p. 452
- ^ Colander, David; Holt, Richard P. F.; Rosser Jr, Barkley J. (2004). "The Changing Face of Mainstream Economics" (PDF). Review of Political Economy. 16 (4): 485–99. doi:10.1080/0953825042000256702. S2CID 35411709.
- ^ Davis, John B. (2006). "The Turn in Economics: Neoclassical Dominance to Mainstream Pluralism?". Journal of Institutional Economics. 2 (1): 1–20. doi:10.1017/s1744137405000263. S2CID 37162943.
- ^ Lazear, Edward (2000). "Economic Imperialism". The Quarterly Journal of Economics. 115: 99–146. doi:10.1162/003355300554683.
Last edited on 12 May 2021, at 03:23
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