1. Monopoly -- 2. Simultaneous quantity competition -- 3. Simultaneous price competition -- 4. Sequential competition … -- 9. Incomplete information, signaling, and competition -- 10. Networks and switching costs. …-theoretic tools used in each type of exercise, so students can systematically apply them to other markets, forms of competition, or …

This paper develops a theory of oligopoly and markups in general equilibrium. Firms compete in a network of product … extent of competition from substitute products. I estimate that, in 2019, public corporations produced consumer surplus in … excess of 10 US$ trillions (against $3 trillions of profits). Oligopoly lowers total surplus by 11.5% and depresses consumer …