Various arguments attempting to resurrect the single monopoly profit theory of tying have been made, but none are successful. The Seabright claim that it is supported by a lack of empirical proof fails because the single monopoly profit theory is an impossibility theory, and my recommended...

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...