Launching and stimulating competition in telecommunications markets is an important policy goal. It contains two elements: to encourage entry and to make competition effective such that consumers benefit. The first one requires that entrants can make profits after investing in infrastructure so...

We examine the effects of mobile termination rate regulation in asymmetric oligopolies. We do this by extending existing models of asymmetric duopoly and symmetric oligopoly where consumer expectations about market shares are passive. We first calibrate product differentiation parameters using...

In a recent working paper, Nicholas Economides and Joacim Tåg analyze stylized models of two-sided markets in an attempt to assess the welfare effects of net neutrality. Alternate versions of the model are developed for ISP services offered by a monopoly and a duopoly. According to the models,...

Launching and stimulating competition in telecommunications markets is an important policy goal. It contains two elements: to encourage entry and to make competition effective such that consumers benefit. The first one requires that entrants can make profits after investing in infrastructure so...

We analyze the welfare effects of price discrimination by a monopolistic platform that mediates between two sides of a market. Discrimination is based on asymmetric costs on one side of the market and may be allowed on either or both sides. We show that unconstrained discrimination on both sides...