Portfolio theory must address the fact that, in reality, portfolio managers are evaluated relative to a benchmark, and therefore adopt risk management practices to account for the benchmark performance. We capture this risk management consideration by allowing a prespecified shortfall from a...

This paper suggests that human capital externalities are important in determining whether goods and services should be privately or publicly provided. We study situations where that the cost incurred by an individual provider for providing quality is affected by the human capital of her...

This paper analyzes whether the two tasks of building infrastructures which are socially useful and managing those assets should be bundled or not. When performances contracts can be written, both tasks should be performed altogether by the same firm when a better design of the infrastructure...

We study the tension between competitive screening and contract enforcement where a principal trades repeatedly with one among several agents, moral hazard and adverse selection coexist, and non-contractible dimensions are governed by relational contracting. We simultaneously characterize...

We compare the most common methods for selling a company or other asset when participation is costly: a simple simultaneous auction, and a sequential process in which potential buyers decide in turn whether or not to enter the bidding. The sequential process is always more efficient. But...

We compare the two most common bidding processes for selling a company or other asset when participation is costly to buyers. In an auction all entry decisions are made prior to any bidding. In a sequential bidding process earlier entrants can make bids before later entrants choose whether to...