After the Global Financial Crisis a controversial rush to fiscal austerity followed in many countries. Yet research on the effects of austerity on macroeconomic aggregates was and still is unsettled, mired by the difficulty of identifying multipliers from observational data. This paper...

"Some economists argue that the neoclassical growth model cannot account for the macroeconomic effects of big fiscal shocks. This paper reassesses this view. We test the theory using data from World War II, which is by far the largest fiscal shock in the history of the United States. We take...