Disappointing recent growth rates, the emergence of structurally unfavorable income and employment conditions, and important institutional changes in the international trading environment have caused policy officials in the advanced industrial nations to reconsider the proper mix of reactive...

We investigate whether the macroeconomic effects of government spending shocks vary with the level of uncertainty. Using postwar US data and a Self-Exciting Interacted VAR (SEIVAR) model, we find that fiscal spending has positive output effects in tranquil times but is contractionary during...