This paper develops a formula for the optimal nonlinear income tax, the terms of which are familiar from the theory of linear income taxation. The development uses the idea of a perturbation of the optimal schedule and is based upon as assumption of differentiability. It is also shown that the...

In an environment in which both workers and firms undertake match specific investments, the presence of market competition for matches may solve the hold-up problems generated by the absence of complete contingent contracts. In particular, this paper shows that in a world in which workers and...

In an environment in which heterogenous buyers and sellers undertake ex-ante investments, the presence of market competition for matches provides incentives for investment but may leave inefficiencies that take the form of hold-up and coordination problems. This paper shows, using an explicitly...