In light of the increasing inequality in many countries, this paper analyzes redistributive charitable giving from the rich to the poor in a model of optimal nonlinear income taxation. Our framework integrates public and private redistribution, the warm glow of giving and stigma of receiving...

This paper analyzes the potential welfare gains of introducing a technology transfer from Annex I to non-Annex I in order to mitigate greenhouse gas emissions. Our analysis is based on a numerical general equilibrium model for a world economy comprising two regions, North (Annex I) and South...

This paper concerns optimal nonlinear labor income taxation in an economy with union wage setting and endogenous hours of work. The purpose is to study the determinants of tax progression. We show that the optimal degree of progression of the labor income tax depends on the extent to which the...