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...

In this paper, we investigate empirically the effect of two recent domestic airline alliances. We find that both alliances benefited consumers - average fares fell and total traffic increased after the creation of the alliances on those city pairs affected by the alliances. We also find that...

This paper estimates the effects of code sharing, antitrust immunity and Open Skies treaties on prices, output and capacity using an eleven-year panel of U.S.-Europe data. Code sharing and immunized alliances are found to have significantly lower prices than traditional interline (multi-carrier)...