Jonathan B. Baker at Equitable Growth:
Overview The U.S. economy has a “market power” problem, notwithstanding our strong and extensive antitrust institutions. The surprising conjunction of the exercise of market power with well-established antitrust norms, precedents, and enforcement institutions is the central paradox of U.S. competition policy today.
Market power in the U.S. economy today: As this policy brief explains, the harms from the exercise of firms’ market power may extend beyond individual markets affected to include slower overall economic growth and increased economic inequality. The implications for future economic productivity and welfare are troubling, but before detailing these consequences, it is necessary to understand why market power is a major issue despite well-established antitrust enforcement institutions and legal precedents. …