We investigate the role of limited access to airport facilities as a determinant of the hub premium in the US airline industry. We use original data from competition plans that airports are required to submit to the Department of Transportation in compliance with the Aviation Investment and...

We nest conjectural parameters into a standard oligopoly model. The conjectural parameters are modeled as functions of multimarket contact. Using data from the US airline industry, we find: i) carriers with little multimarket contact do not cooperate in setting fares, while carriers serving many...