The General Theory of Employment, Interest, and Money

t-tle of book by john maynard keynes (1883-1946) outlining the general concept of keynesian economics. the book was published in 1936.

-context-
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prior to the great depression, opinions about how to properly manage the economy were dominated by neocl-ssical economics, which advocated little government intervention. in particular, unemployment was regarded as the consequence of workers failing to accept wages sufficiently low to permit full employment.

during the great depression, unemployment soared to 25% in the usa and germany. economics had no advice to give to leaders anxious to do something, and none of the neocl-ssical predictions were coming true. the government of the uk commissioned j.m. keynes to lead a commission of top british economists in a general review of economic theory; their finding were summarized by keynes in -the general theory-.

-the findings-
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the cambridge team did not have access to statistics of national income and product accounting (nipa). they did have some data on unemployment and prices, especially from the usa.

keynes also identified several inherent logical problems with neocl-ssical economic theory about saving and investment. the theory said that all economic output of an economy would tend to be consumed; all saving would be invested; and all workers would be employed, -provided wages fell low enough-.

keynes noted the economic mechanism by which investment occurs has little to do with the existing rate of saving; both are influenced by interest rates, but other forces come into play (e.g., liquidity preference for saving, business opportunities and user cost for investment). hence, aggregate demand can drift very far out of alignment with output (or potential output).

another finding was that employment rates actually did not respond in a predictable way to the fall in wages. the us economy suffered periods when a reduction in the wage level lead to increases in employment, despite the -ssumption that workers would have withdrawn from the labor market.

finally, keynes proposed the use of monetary policy and fiscal policy for regulating business cycles.
the -the general theory of employment, interest, and money- completely shook up the world of economic policy. hereafter, governments took responsibility for economic conditions or they lost power.