We extend Myerson's (1981) model by allowing for uncertainty about the number of bidders. In such extension the Revenue Equivalence Theorem still holds and the optimal allocation rule remains the same. Hence, the optimal auction can be implemented with an appropriate reserve price. Nonetheless,...

This paper constructs a model of directed search in the interbank market and tests its empirical implications with data from the Libor benchmark setting process. Interbanking rates were until recently based on judgmental estimates of borrowing costs published by a panel of banks. We interpret...

We study a two-period dynamic principal agent model in which two agents with different unobservable abilities compete in a contest for a single prize. A risk-neutral principal can affect the outcome of the contest by dividing a given budget between agents in each period and her net payoff...