Abstract The Internet is characterized by competition between platforms which bring together potential partners of exchange. The degree of competition between these multi-sided platforms und market concentration are determined through (1) the strength of the direct and indirect network effects,...

This article analyzes the interdependency between the market for music recordings on the one side and the market for concert tickets on the other side, assuming that there are positive indirect network effects both from the record market to ticket sales for live performances and vice versa. In a...

This paper studies the ambiguous welfare effects of compatibility in a platform market with endogenous content provision. Compatibility can be particularly harmful if it leads to reduced content but can be beneficial if content is sufficiently increased.

This paper studies unshrouding decisions in a framework similar to Gabaix and Laibson (2006), but considers an alternative unshrouding mechanism where the impact of advertising add-on information depends on the number of unshrouding firms. We show that shrouding becomes less prevalent as the...

This paper revisits the excess entry theorem in spatial models according to Vickrey [Vickrey, W.S., 1964. Microstatics. Harcourt, Brace and World, New York] and Salop [Salop, S., 1979. Monopolistic competition with outside goods. Bell Journal of Economics 10, 141-156] while relaxing the...

This paper studies the relationship between transparency on the consumer side and productivity of firms. We show that more transparent markets are characterized by higher average productivity as firms with low productivity abstain from entering these markets.