We show how tax kinks can be used to estimate the marginal propensity to consume (MPC). Tax kinks create discrete changes in the relationship between taxable income and disposable income, which - under a set of testable assumptions - enables causal identification of the spending response to...

This paper analyses the effects of taxation in New Keynesian economics. The results show that the taxes contribute to price and wage stickiness and, moreover, that the resulting fluctuations in welfare are magnified by the presence of taxes. These results are at odd with the old Keynesian idea...