John Maynard Keynes created the aggregate expenditures model based primarily on what historical event? Question 9 options: economic expansion of the 1920s Great Depression spectacular economic growth during World War II bank panic of 1907

Great Depression

Explanation:

The Great Depression was an economic depression that took place worldwide which was as a result of the crash in the stock market. The Great Depression brought about reduction in GDP of countries due to the fall in demand of goods and services.

John Maynard Keynes created the aggregate expenditures model based primarily on the Great Depression. This method is used to calculate the GDP for a country.

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