This paper uses tools provided by lattice theory to describe the second-degree price discrimination problem faced by a monopolist seller of a network good, and to give a complete characterization of the optimal contracts it can use. We build a general model in a discrete and a continuous type...

The power of today’s tech giants has prompted calls for changes in antitrust law and policy which, for decades, has been exceedingly permissive in merger enforcement and in constraining dominant firm conduct. Economically, the fear is that the largest digital platforms are so dominant and its...

This paper presents a model of second-degree price discrimination by a monopolistic seller who offers a menu of price-quantity pair contracts to consumers located in a social network. Network effects are local as consumers' private valuations are increasing in their friends' adoption decisions....

This paper studies the incentives for a monopolistic firm producing a good with network externalities to advertise when consumers face imperfect information and therefore must search to realize their actual willingness to pay for the good. A firm may disclose market information through...

We consider a heretofore unexplored explanation for why platforms, such as Internet service providers, might impose download limits on content consumers: doing so increases the degree to which those consumers view content providers products as substitutes. This, in turn, intensifies competition...

We investigate the welfare effects of third-degree price discrimination by a two-sided platform that enables interaction between buyers and sellers. Sellers are heterogenous with respect to their per-interaction benefit, and, under price discrimination, the platform can condition its fee on...