"U.S. airlines have lost nearly $60 billion (2009 dollars) in domestic markets since deregulation, most of it in the last decade. More than 30 years after domestic airline markets were deregulated, the dismal financial record is a puzzle that challenges the economics of deregulation. I examine...

Hirschman's Exit, Voice, and Loyalty highlights the role of “voice” when individuals confront an unexpected deterioration in quality. Yet, voice has received little attention. To motivate our empirical analysis, we develop a simple model of voice as the equilibrium of a relational contract...

We introduce a model of oligopoly dynamic pricing where firms with limited capacity face a sales deadline. We establish conditions under which the equilibrium is unique and converges to a system of differential equations. Using unique and comprehensive pricing and bookings data for competing...