I study the properties of optimal long-term contracts in an environment in which the agent's type evolves stochastically over time. The model stylizes a buyer-seller relationship but the results apply quite naturally to many contractual situations including regulation and optimal...

Why do investors keep buying underperforming mutual funds? To address this issue, we develop a one-period principal-agent model with a representative investor and a fund manager in an asymmetric information framework. This model shows that the investors perception of the fund plays the key role...

This paper analyzes the constitutional determinants of cost reimbursement rules. In order to design the optimal incentive schemes, a possibly partisan planner will take into account the market cost structure, the institutional design of the supervision hierarchical structure and its technology....

Under what conditions does cost-of-service regulation lead firms to distort costs? This paper analyzes changes in fuel procurement practices by coal- and natural gas-fired electricity generating plants in the United States following state-level legislation that ended cost-of-service regulation...