We propose a theory explaining the shape of contracts between local governments and the contractors they hire to run public facilities on their behalf. Governments are privately informed over the quality of the facility and risk-averse while risk-neutral contractors are subject to a moral hazard...

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...

We investigate a team setting in which workers have different degrees of commitment to the outcome of their work. We show that if there are complementarities in production and if the team manager has some information about team members, interventions that the manager undertakes in order to...