We analyze a repeated setting of an asymmetric, differentiated telecommunications market with an incumbent and an entrant. The entrant may roll out its own network or use parts of the incumbent's network. The incumbent is established in the market, while the entrant gradually builds up a track...

The “net neutrality” principle has triggered a heated debate and advocates have proposed policy interventions. In this paper, we provide perspective by framing issues in terms of the positive economic factors at work. We stress the incentives of market participants, and highlight the...

In a market environment with random detection of product quality, a firm can employ umbrella branding as a strategy to convince consumers of the high quality of its products. Alternatively, a firm can rely on external certification of the quality of one or both of its products. We characterize...

The "net neutrality" principle has triggered a heated debate and advocates have proposed policy interventions. In this paper, we provide perspective by framing issues in terms of the positive economic factors at work. We stress the incentives of market participants, and highlight the economic...