We analyze duopoly Bertrand competition under network effects. We consider both incompatible and compatible products … compatibility. Finally, we show the robustness of our results when products are horizontally differentiated. -- Bertrand duopoly …

welfare in a price regulated duopoly with symmetric locations. In contrast to other studies on mixed oligopolies, this paper … shows that in a duopoly with regulated prices privatisation of the public hospital may increase overall welfare depending on … oligopoly ; price regulation ; quality ; hospital competition …

, profits, and overall welfare in a price regulated duopoly with exogenous symmetric locations. In contrast to other studies on …. This holds if the public hospital is similar to the private hospital or less efficient and competition is low. The main … hospital compared to the first-best. However, if the public hospital is sufficiently more efficient and competition is fierce …