output, investment, and net exports. We reexamine the importance of world real interest rate shocks using an approach that …'s observable endogenous variables. Then we use variance decompositions to examine the importance of each shock. We apply this …

-2000 sample, the initial response of investment to a productivity shock with responses in the top quartile is 60% higher than the … shock. Conversely, a slowdown after a boom can lead to a long lasting investment slump, which is unresponsive to policy … smoothing in the investment response to aggregate shocks. The remaining 40% is explained by general equilibrium forces. The …