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Keynesian Economics

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Who was Keynes and what were his ideas?

John Maynard Keynes, born in 1883, is considered to be one of the most influential economists of the 20th century. He was most prominent during the Great Depression in the 1930s when he tried to create an economical revolution in economic thinking with his ideas of intervention in markets. The idea is also generally; that in the short run productive activity is very much influenced by aggregate demand, (aggregate demand is the total spending in the economy with the equation; Consumption + Investment + Government Expenditure + (Exports - Imports)) and that aggregate demand does not equal the productive capacity of the economy. Keynes believed strongly that Government Intervention would strongly help the economy to succeed and grow. His three main argument points concerning the Government were :

The Government has a role to play in moderating the business cycle.
Government can use short term monetary policy to engineer the economy.
During economic hardship the government should spend to try and 'spur' on economic growth.

In the second point I mentioned monetary policy, but what is it? It involves changes in the base rate of interest to influence the growth of aggregate demand, the money supply and price inflation. A short goal would be set for the economy to achieve this by changing the base rate.

If the economy is doing well, the government should stop spending money, or spend less, but if the economy is bombing, the government should spend and help economy out.

Keynes also had another theory that the if the government borrowed money to create jobs, people would spend more, consumer confidence would rise and the economy would recover. He also said that the extra spending would pay for itself if you picked the right moment by producing higher tax revenues.

Keynes's theories were put into action in the form

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