Empirical evidence that horizontal shareholding has created anticompetitive effects in airline and banking markets have produced calls for antitrust enforcement. In response, others have critiqued the airline and banking studies and argued that antitrust law cannot tackle any anticompetitive...

Proper analysis of the Google books settlement requires framing the issues correctly in two important respects. First, it requires understanding that sound antitrust analysis turns on likely effects on consumer welfare, not on debatable spins of arid formalisms. Second, it requires measuring...