This paper develops a model of a professional sports league with network externalities by integrating the theory of two-sided markets into a contest model. In professional team sports, the competition of the clubs functions as a platform that enables sponsors to interact with fans. In these...

This paper presents a theoretical model of two-sided markets with both positive inter-side externalities and negative intra-side externalities. It analyzes the net impact of negative intra-side externalities on platform prices, demands and profits in three scenarios: (i) monopoly platforms, (ii)...

In this article, we analyze the dynamic competition between two platform firms (A&B) in two-sided markets with network externalities. In Period 1, platform A or B wins the contest in a first stage and can serve the two-sided market monopolistically in a second stage. In Period 2, the two...

This paper develops a duopoly model of user-generated content (UGC) platforms that compete for consumers and content producers in two-sided markets with network externalities. Each platform can choose the level of investment into a content quality assurance (CQA) system and the level of...