This paper uses the short-run restrictions implied by a simple aggregate demand-aggregate supply model as an aid in identifying structural shocks. Combined with the Blanchard-Quah restriction, it allows estimation of the slope of the aggregate supply curve, the variances of structural demand and supply shocks, and the extent to which structural demand and supply shocks are correlated. This paper finds that demand and supply shocks are highly correlated and that demand shocks possibly can account for as much as 82% of the long-run forecast error variance of real U.S. GDR
This article uses a present value test to examine whether the Chilean government has smoothed taxes optimally since 1973. An important portion of the Chilean government's revenue is the result of royalties it earns from the extraction of copper. An appropriate test for tax-smoothing therefore must recognize that this part of the government's revenue is not completely under its control. The results provide strong evidence for tax smoothing when royalties from copper are treated as not being under government control, but only weak evidence if they are treated as if they are under government control.
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