After World War I, Germany and Austria were forced to pay the costs of the war, which was near impossible for them, until they began to print more money in order to compensate for their lack of funds. Printing more money caused a hyperinflation to occur, where prices skyrocketed and people's savings decreased in value. By 1929, the market began to crash; banks started closing and millions of people lost all of their money. It was at this time that the government and the economy were in desperate need of a plan that would revive them from this devastating crash.
At this point, John Maynard Keynes came in with his theory in an attempt to save the economy from the Great Depression. He wrote a book explaining why the Great Depression occurred and what the government should do to prevent such an economic downfall from ever happening again. As Robert Skidelsky, a British economist, said, "Concepts we take for granted today, like gross domestic product, the level of unemployment, the rate of inflation, all to do with general features of the economy, were invented by [Keynes]" (Ch.4 Europe, 1931). His idea was that the government should spend money in order to keep full employment, even if it meant bringing about a deficit. In the long run, the increase in spending would benefit the