In new research, Filippo Lancieri and Tommaso Valletti analyze the shortcomings of the current merger review system and defend stronger rebuttable structural presumptions as an important step forward.
In a recent revision of its Premerger Notification Regulation, the FTC removed labor market provisions from the previous draft as Commissioner Melissa Holyoak dismissed them as "a solution in search of a nonexistent problem." Eric Posner argues that her assessment contradicts a substantial body of academic research showing that labor market concentration is indeed a serious concern.