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| John Maynard Keynes' General Theory | |
|---|---|
| Name | The General Theory of Employment, Interest and Money |
| Author | John Maynard Keynes |
| Country | United Kingdom |
| Language | English |
| Subject | Macroeconomics |
| Publisher | Macmillan and Co. |
| Pub date | 1936 |
| Pages | 652 |
John Maynard Keynes' General Theory
The General Theory marked a turning point in 20th-century economic thought by challenging classical orthodoxy and proposing active policy to stabilize market economies. Keynes synthesized ideas from contemporary debates among figures such as Alfred Marshall, Arthur Cecil Pigou, Irving Fisher, Friedrich Hayek, and institutions like the Bank of England and the League of Nations, producing a framework adopted by policymakers including Franklin D. Roosevelt, Winston Churchill, Lloyd George, and planners at the Bretton Woods Conference. Its influence reached governments, central banks, universities, and international bodies such as the International Monetary Fund and the World Bank.
The work emerged during the Great Depression after Keynes's involvement with commissions like the Royal Commission on the Depression in Trade and Industry and intellectual exchanges with scholars at Cambridge University, including Alfred Marshall, Arthur Pigou, Dennis Robertson, John Hicks, and Roy Harrod. Debates at venues such as the London School of Economics and correspondence with figures like Joseph Schumpeter, Irving Fisher, Knut Wicksell, Walter Bagehot, and policymakers in Washington, D.C. framed Keynes’s critiques of pre-1930s doctrines advanced by proponents of Say's Law and adherents of classical models defended by intellectuals in Oxford and Harvard University.
Keynes introduced concepts that reoriented analysis toward aggregate outcomes emphasized by contemporaries such as John Hicks and James Meade. He posited that aggregate outcomes depend on components analyzed by later scholars like Paul Samuelson, Milton Friedman, Robert Solow, and Simon Kuznets. Keynes melded marginalist insights from Alfred Marshall with monetary theories influenced by Irving Fisher and expectations concepts later formalized by Tjalling Koopmans and John Muth. His use of psychological propensities paralleled investigations by Gustave Le Bon and economic behavior work by Herbert Simon.
Central to Keynes is the determination of output by aggregate demand, a notion related to contemporaneous work by Roy Harrod and operationalized later by Wassily Leontief and Kenneth Arrow. Effective demand contrasts with classical full-employment predictions defended by Arthur C. Pigou and criticized by Ludwig von Mises adherents in Vienna Circle-adjacent debates. Keynes’s components—consumption, investment, and propensity to consume—were later modeled in large-scale systems by Jan Tinbergen and applied by planners in Soviet Union-era debates and in policy designs by Franklin D. Roosevelt and John F. Kennedy advisors.
Keynes replaced the classical loanable funds view associated with Alfred Marshall and Irving Fisher with the liquidity preference theory, interacting with central banking practice of the Bank of England, Federal Reserve officials like Benjamin Strong and later Marriner Eccles. He debated interest determination with critics including Friedrich Hayek and proponents of the Quantity Theory of Money like Milton Friedman. Liquidity preference influenced subsequent monetary theories by Karl Brunner, Allan Meltzer, and institutionalists at the Federal Reserve Board and shaped policy deliberations at the Bretton Woods Conference.
Keynes argued involuntary unemployment could persist, contradicting classical claims rooted in writings by Jean-Baptiste Say and expanded by Adam Smith-oriented interpreters and defended by economists in institutions such as Treasury (United Kingdom). He critiqued wage-flexibility remedies associated with Alf B. Hansen-type advocates and clashed with monetary disequilibrium analyses from Gunnar Myrdal and Wesley Clair Mitchell. Later empirical and theoretical work by Arthur Okun, Pietro Sraffa, and Alvin Hansen interacted with Keynes’s analysis of nominal rigidities, price adjustment, and real-wage dynamics debated in forums like Cowles Commission seminars.
Keynes advocated fiscal stimulus and countercyclical budgeting implemented in policies by leaders such as Franklin D. Roosevelt (New Deal), Clement Attlee, Ludwig Erhard-era planners contrasted in postwar reconstruction debates at Bretton Woods Conference institutions including the International Monetary Fund and World Bank. His recommendations influenced central bankers like John Maynard Keynes correspondents (e.g., Montagu Norman) and finance ministers including John Maynard Keynes interlocutors such as Henry Morgenthau Jr. and Keynes’s contemporaries at the Treasury. Fiscal tools were institutionalized in macroeconomic management strategies by economists at Organisation for Economic Co-operation and Development and national treasuries.
The General Theory provoked critiques from Friedrich Hayek, Milton Friedman, Ludwig von Mises, George Stigler, and later reassessments by Robert Lucas, Thomas Sargent, Edmund Phelps, and Lucas critique proponents. Postwar synthesis efforts by Paul Samuelson, John Hicks, James Tobin, Kenneth Arrow, and Gunnar Myrdal integrated Keynesian and classical elements into models used in institutions like the International Monetary Fund and universities such as Harvard University, Massachusetts Institute of Technology, Princeton University, and University of Cambridge. The work’s influence shaped fiscal and monetary regimes in the Post–World War II economic expansion and spurred alternative frameworks including Monetarism, New Classical economics, and New Keynesian economics, debated in venues like Congressional hearings and policy circles around leaders including Margaret Thatcher and Ronald Reagan.