We examine the interplay of endogenous vertical integration and cost-reducing downstream investment in successive oligopoly. We start from a linear Cournot model to motivate our more general reduced-form framework. For this general framework, we establish the following main results: First,...

This paper examines the consequences of introducing mobile number portability (MNP). As MNP allows consumers to keep their telephone number when switching providers, it reduces consumers' switching costs. However, MNP may also cause consumer ignorance if telephone numbers no longer identify...

This paper examines the consequences of introducing mobile number portability (MNP). As MNP allows consumers to keep their telephone number when switching providers, it reduces consumers' switching costs. However, MNP may also cause consumer ignorance if telephone numbers no longer identify...

This paper provides evidence on the relation between the intensity of product market competition and the probability of exit. We adopt a natural experiment approach towards analyzing the impact of a tightening of Swiss antitrust legislation on exit probabilities. Based on a sample of more than...