We investigate whether the macroeconomic effects of government spending shocks vary with the level of uncertainty … effects in tranquil times but is contractionary during uncertain times. The endogenous reaction of macroeconomic uncertainty … other types of government spending, research and development expenditures reduce uncertainty and have an expansionary effect …

We investigate whether the macroeconomic effects of government spending shocks vary with the level of uncertainty … effects in tranquil times but is contractionary during uncertain times. The endogenous reaction of macroeconomic uncertainty … spending, research and development expenditures reduce uncertainty and have an expansionary effect on output during uncertain …