Who is associated with the advocacy of Keynesian Economics?

John Maynard Keynes is prominently associated with the advocacy of Keynesian Economics, which emerged during the Great Depression in the 1930s. Keynes challenged the classical economic theories of the time, arguing that aggregate demand is the primary driver of economic growth and employment. He proposed that during periods of economic downturns, active government intervention is necessary to stimulate demand and pull the economy out of recession. Keynes advocated for increased public spending and lower taxes to boost demand and reduce unemployment, which laid the groundwork for many modern economic policies aimed at managing the economy.

His ideas transformed economic thought and policy-making, making him one of the most influential economists of the 20th century. In contrast, other figures listed align with different economic theories or schools of thought. Friedrich Hayek, for instance, is known for his advocacy of free-market capitalism and critiques of government intervention in the economy. Milton Friedman is associated with monetarism, which emphasizes the role of government in controlling the amount of money in circulation. Joseph Stiglitz is recognized for his work on information asymmetry and its implications for markets but does not directly advocate Keynesian principles. Thus, John Maynard Keynes is the correct choice for representing Keynesian Economics.