In several countries, healthcare services are provided by public and/or private subjects, and they are reimbursed by the Government, on the basis of regulated prices. Thus, providers take prices as given and compete on quality to attract patients. In some countries, regulated prices differ...

This article proposes a differential-game model, in order to analyze markets in which regional regulation is operative and competition is based on quality. The case we have in mind is healthcare public service, where consumers (patients) choose the provider mainly basing on the providers'...

This paper proposes a generalization of Shleifer's (1985) model of yardstick competition, to a dynamic framework. Specifically, we consider a differential game and we show that the yardstick mechanism is effective to replicate the first-best solution if players adopt open-loop behaviour rules...

Entrants often need to make considerable sunk investments whose returns are highlyuncertain. The option to exit the market if returns are low helps to reduce investment risksand can be an important impetus to investment. We examine the interaction between exitpolicy and up-front investment by...

Due to the switching behavior of online consumers, news outlets increasingly compete with each other to attract audience for each single news item they produce, rather than for complete editions of their newspapers: the so called unbundling of journalism. Using a standard Hotelling duopoly model...

Motivated by a recent competition policy debate on retailers' collusion in online marketplaces, this paper studies a simple model to shed light on the competitive and welfare effects of this conduct. I find that, when retailers sell their products through a monopolistic e-commerce platform,...