Controlling Market Power in Telecommunications: Antitrust vs. Sector-Specific Regulation

Controlling market power is a crucial issue in liberalized telecommunications market where incumbents usually remain dominant for some time after the opening of the market to competition. Controlling market power can be achieved through two distinct sets of rules and institutions: economy-wide antitrust rules and institutions, which have been in place in most industrialized countries for several decades, and infrastructure or sector-specific rules and institutions which have been specifically…