We derive the closed-form solution that characterizes the equilibrium in the circular city model, when competing firms have heterogeneous production costs. Tractability issues in this setting are well-known and have not been resolved in prior work. In this paper, the equilibrium solution...

Third-party sellers in online marketplaces provide wide product/service variety and are highly heterogeneous in the capability of delivering value to buyers. Seller variety and value heterogeneity shape seller competition, which then affects the marketplace owner’s profit. This paper presents...

This paper examines a monopoly platform's two-sided pricing strategies in a setting with seller competition, which gives rise to not only positive cross-side network effects between buyers and sellers, but also a negative same-side network effect among sellers. We show that platform pricing...