Economists Get Serious About the Harm From Monopolies

The big story at the annual American Economic Association meeting in Atlanta earlier this month was about the economics profession dealing with its gender problem. But after that, the second-most-interesting debate in economics right now is over antitrust and monopoly power. One of the most interesting papers presented in Atlanta was by the University of Pennsylvania’s Ioana Marinescu, an economist who has done a lot of recent research on market concentration and market power.