Why has antitrust enforcement declined in the United States since the 1970s? Is it due to the preferences of voters or business influence? In this symposium, Jonathan Baker, Eleanor Fox, and Herbert Hovenkamp will discuss the findings of Eric Posner, Luigi Zingales and Filippo Lancieri’s new paper, “The Political Economy of the Decline of Antitrust Enforcement in the United States.” Lancieri summarizes the findings of the paper here.