Intra-firm trade, from parents to affiliates, has been combined with standard models of multinational production (MP) to deliver gravity-style predictions for foreign affiliates' sales. Nonetheless, the evidence shows that intra-firm trade is concentrated among a small set of large multinational...

We examine the competitive effects of the vertical integration of gasoline refineries and retailers in the U.S. Adapting the first-order condition approach of static oligopoly games to the analysis of vertically related oligopolies, we develop a novel framework for directly evaluating the...