This paper analyzes the impact of varying degrees of airline cooperation on nonstop and connecting international traffic, using a detailed dataset of international travel between the United States and other countries for the years 1998 to 2015. We demonstrate that cooperation by airlines —...

Due to a series of recent mergers, the number of legacy airlines in the United States has decreased from six to three. We conduct a comprehensive investigation of the effect on fares and output of these legacy airline mergers to determine whether the mergers have had an overall pro-competitive...

We develop a methodology that quantifies from data on itinerary demand consumers' valuations of the characteristics of airline networks, and show that airline network effects are highly valued. We show that these effects are crucial for determining consumer impacts of public policies that affect...