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)...

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 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...

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...

Transfer restrictions have a long tradition in professional sports but came under heavy attack in recent years (e.g. Bosman ruling, Monti system). Based on a bargaining model with stochastic player productivity, we show that more restrictive transfer rules reallocate ex post bargaining power...

This paper outlines and compares the organizational structure of major sports leagues, explores the reasoning behind their formation, and derives implications for salary caps in European football. To understand why sports leagues have developed a specific organizational structure, one must take...

This paper develops a model of asymmetric competition between a pay and a free media platform. The pay media platform generates revenues from media consumers through subscription fees, while the free media platform generates revenues from charging advertisers either on a lump-sum basis (regime...

We conduct an empirical study to examine the impact of the initial distribution of labor-related property rights on the allocative efficiency of labor markets for skilled workers in a highly competitive labor market (professional basketball). Specifically, we compare a regime where employers can...