variations in linear budget constraints. This is quite surprising since most income tax systems are nonlinear, generating … that are correct for variations in a linear income tax. Such a procedure leads to incorrect results. The main purpose of … this paper is to show how to correctly calculate the marginal deadweight loss when the income tax is nonlinear. A second …

Using a calibrated overlapping generations model we quantify the welfare gains of an age dependent income tax. Agents … switching from an age-independent to an age-dependent nonlinear tax amounts in our benchmark model to around three percent of … opposed to a linear tax are even larger. Surprisingly, it is of secondary importance to optimally choose the tax on interest …

This paper deals with optimal income taxation under labor outsourcing and FDI. We show how the optimal income tax …