We study competition in two sided markets with common network externality rather than with the standard inter-group e … that the presence of network externalities in a two-sided market structure increases the intensity of competition when the …

treatment costs, health care markets differ so significantly from hypothetical 'perfect competition' that competition and … competition where welfare is maximised when prices differ from marginal cost, this paper develops an alternative taxonomy for … thinking about institutional design and the application of competition principles in health care markets. The taxonomy …

sellers shape the market structure in platform industries. If product market competition is tough, sellers avoid competitors … markets, several homogeneous platforms segment the market. Instead, if product market competition is soft, agglomeration on a … competition. …