competition model with entry in which exchanges supply technological services, and have market power. We find that technological … services can be strategic substitutes or complements in platform competition. Free entry of platforms delivers a superior …

In a recent paper, Alipranti et al. (2014, Price vs. quantity competition in a vertically related market, Economics … Letters, 124: 122-126) show that in a vertically related market Cournot competition yields higher social welfare compared to … Bertrand competition if the upstream firm subsidises the quantity setting downstream firm's production via negative wholesale …

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 …

This paper studies the welfare consequences of a vertical merger that raises rivals costs when downstream competition …, that this result extends to price competition with differentiated products. …

oligopoly competition and identify the shape and magnitude of the feedback loop between TV viewers and advertisers. We also …This paper empirically investigates the advertising competition in the French broadcast television industry within a … implement a simple procedure to identify the conduct of firms on the market. We find that the nature of competition in the …

applies more generally to duopoly pricing. -- magazine competition ; multi-purchase ; incremental pricing ; content … competition …