The economics literature on Net Neutrality (NN) has been largely critical of NN regulation on the basis of theoretical findings that NN violations can be both welfare improving and welfare deteriorating, depending on the circumstances of the case in question. Thus, an ex post competition policy...

Abstract Certain health insurers offer a free choice of providers and an identical copayment regardless of the provider. Others build networks and use selective contracting and financial incentives to channel policyholders to contracted suppliers. In the case of unregulated prices, we compare...

Abstract Routine industrial analyses use internal market characteristics such as market shares to proxy for market power. However, recent studies argue that factors that are external to the market such as contact across multiple markets can be linked to tacit collusion. Using a structural demand...

Abstract This paper examines the effect of prioritization on competing CPs’ incentives to invest to improve their quality of service (QoS). We show that in the single-homing case, no CP makes a positive amount of investment under net neutrality because the effect of reducing delay is shared by...

Abstract E-commerce continues its expansion, and most retail groups have opened online distribution channels in the French grocery market. Using purchasing data, I develop a store choice model and a supply model to estimate the effect of the online distribution channel on consumer welfare and...

Abstract Recent technological changes have altered the way in which interactions take place between economic agents. One of the main advances is the possibility to broadly disseminate information at very low cost. E-commerce is a significant part of this change, becoming increasingly important...