We empirically test the hypothesis that the discounts offered by firms to consumers who purchase tickets in advance increase with the intensity of competition. We develop a new measure of competition for which we use the proximity (in departure time) of a given flight to its competitors to infer...

The antitrust law of bundled discounts is unsettled. LePage's broadly condemned bundled discounts instituted by a dominant firm where it appeared that the discounts served no economic purpose other than to place rival, single product suppliers at a competitive disadvantage. In contrast,...