"We investigate whether business cycle fluctuations affect the degree of excess sensitivity of private consumption growth to disposable income growth. Using multivariate state space methods and quarterly US data for the period 1965-2000 we find that excess sensitivity is significantly higher...

"We provide empirical evidence on the dynamics effects of tax liability changes in the United States. We distinguish between surprise and anticipated tax changes using a timing-convention. We document that pre-announced but not yet implemented tax cuts give rise to contractions in output,...