This paper studies dynamic non-linear taxation in a two-period model without government commitment and a continuum of agents with privately known skill parameters, which are constant overtime. The government is utilitarian but cannot commit at t=1 to the tax scheme that she will propose at t=2....

We study a multiperiod principal-agent problem with moral hazard in which the agent is required to exert effort only in the initial period of the contract. The effort choice of the agent in this first period determines the conditional distribution of output in the following periods. The paper...

We investigate the issue of implementation via individually rational ex-post budget-balanced Bayesian mechanisms. We demonstrate that all social choice rules that generate a nonnegative ex-ante surplus, including ex-post efficient ones, can generically be implemented via such mechanisms for any...

Reputation systems have emerged as important sources of information in modern economies. This paper develops a model of reputation systems that puts buyers and sellers inside a stochastic environment involving asymmetric information and search frictions, and gives them a set of options with...

Multi-license ascending auctions have been criticized because they allow bidders to reduce their demand and split the market at low prices. At the same time, it has been argued that the ascending auction is a suitable format for a seller who wants to exploit preemptive motives. Incumbent firms...

This paper analyzes monetary exchange in a search model allowing for multilateral matches to be formed, according to a standard urn-ball process. We consider three physical environments: indivisible goods and money, divisible goods and indivisible money, and divisible goods and money. We compare...