This paper analyzes changes in American business cycles over the twentieth century and suggests a possible explanation for the major changes that have and have not occurred. The empirical analysis shows that the volatility of annual real macroeconomic indicators and the average severity of...

This paper analyzes the contributions of monetary and fiscal policy to postwar economic recoveries. We find that the Federal Reserve typically responds to downturns with prompt and large reductions in interest rates. Discretionary fiscal policy, in contrast, rarely reacts before the trough in...