This paper addresses transboundary environmental problems in the context of an optimal tax problem, when part of the labor force is mobile across countries. The policy instruments include both commodity taxation and nonlinear income taxation. We show how the tax policy in a noncooperative...

Recent literature on optimal nonlinear taxation has shown that in models with a single level of government public provision of private goods can help redistribution by mitigating self-selection constraints. The aim of the present paper is to extend the analysis to a fiscal federalism setting...