In the uniform-price auction with adjustable supply, the seller decides how much to sell after receiving the bids so as to maximize its ex post profit. Given N bidders and adjustable supply, all equilibria of the uniform-price auction lead to price on order 1/N3 below the Walrasian price. By...

This paper characterizes the social-welfare maximizing equilibrium of a stochastic partnership matching market, in which players paired to play a stochastic game may quit to be costlessly and anonymously re-matched. Patterns of performance and turnover in this equilibrium are consistent with the...

We analyze some of the perverse incentives that may arise under the current Medicare prescription drug benefit design. In particular, risk adjustment for a stand-alone prescription drug benefit creates perverse incentives for prescription drug plans' coverage decisions and/or pharmaceutical...