This paper analyzes optimal taxation of charitable giving to a public good in a Mirrleesian framework with social comparisons. Leisure separability together with zero transaction costs of giving imply that charitable giving should be subsidized to such an extent that governmental contributions...

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...