Barro, Robert J.; Redlick, Charles J. - National Bureau of Economic Research (NBER) - 2009
. Therefore, tax changes seem to affect GDP mainly through substitution effects, rather than wealth effects. The combination of … average marginal income-tax rates. We cannot estimate reliable multipliers for non-defense purchases because of the lack of …-durables and services has only a small response. In a post-1950 sample, increases in average marginal income-tax rates (measured by …