This paper studies an industry in which firms can choose to provide open or closed platforms. Open platforms, as … model, I show that firms might prefer to commit to keeping their platforms closed despite the fact that opening the platform … is costless and open platforms are more valuable to consumers. The reason is that opening the platform may lead to …

This paper questions whether competition can replace sector-specific regulation of mobile telecommunications. We show …

This paper analyses simultaneous regulation of cost and quality when firms have private, correlated information about …