A fundamental question in industrial organization regards the relationship between price and the number of sellers. This relationship has been particularly important in the pharmaceutical industry where legislative changes were specifically designed to foster competition. Previous research on...

type="main" xml:lang="en" <p>This paper empirically examines the effect of competitive conditions on nonlinear pricing strategies in the airline industry. We use a unique data set to analyze the impact of concentration and the competitive pressures generated by Southwest and other low cost carriers...</p>