This paper investigates how the tying of complementary products can be used to preserve and extend monopoly positions …. We first show how a firm that is a monopolist of a product in the current period can use tying to preserve its monopoly … monopoly position into a newly emerging market. The analysis focuses on the importance of entry costs and network externalities …

This paper investigates how the tying of complementary products can be used to preserve and extend monopoly positions …. We first show how a firm that is a monopolist of a product in the current period can use tying to preserve its monopoly … monopoly position into a newly emerging market. The analysis focuses on the importance of entry costs and network externalities …

This paper develops a theory of oligopoly and markups in general equilibrium. Firms compete in a network of product …

contrary to the monopoly case bundling may reduce profits and increase consumer rent. This is the case if consumers … competition more aggressive. This effect can dominate the sorting effect that is well known for the monopoly case. Firms are in a …