type="main" <p>Regulating bidder participation in auctions can potentially increase efficiency compared to standard auction formats with free entry. We show that the relative performance of two such mechanisms, a standard first-price auction with free entry and an entry rights auction, depends...</p>

Commercial radio stations and advertisers may have conflicting interests about when commercial breaks should be played. This article estimates an incomplete information timing game to examine stations' equilibrium timing incentives. It shows how identification can be aided by the existence of...

This article shows that mergers between close competitors in the music radio industry lead to important changes in product positioning. Firms that buy competing stations tend to differentiate them and, consistent with the firm wanting to reduce audience cannibalization, their combined audience...