This paper analyzes optimal taxation and risk-sharing arrangements in an economy with two levels of government. Both levels provide public goods and finance their expenditures via labor income taxation, where the tax base is responsive to the private agents' labor supply decisions. The...

We study how the optimal use of labor income tax progression depends on whether the wage bargaining system is decentralized or centralized. Assuming a nonlinear labor income tax and an unrestricted profit tax, we show that a Utilitarian government is able to implement the first best resource...