competition model with entry in which exchanges supply technological services, and have market power. We find that technological … services can be strategic substitutes or complements in platform competition. Free entry of platforms delivers a superior …

various industrial organizations (monopoly, duopoly, Walrasian limit) under the symmetric Cournot competition. We also deal …Regulation and competition policy are two alternative modalities by which the state intervenes in the market. In order … those where competition policy works better (market power-based failures such as an artificial monopoly or cartel). We also …