An economic theory of British economist, John Maynard Keynes that active government intervention is necessary to ensure economic growth and stability. Bloomberg Financial Dictionary
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Economic theories developed by John Maynard Keynes (1883-1946), notably the use of government spending and low interest rates to stimulate demand during a recession. These theories opposed the free market philosophy and argued that economic performance could be improved by government intervention.
Financial and business terms. 2012.