Published American Economic Review Published Aug 2026Merger Effects and Antitrust Enforcement: Evidence from US Consumer Packaged GoodsVivek Bhattacharya · Gastón Illanes · David StillermanThis paper by Bhattacharya, Illanes, and Stillerman makes two contributions to the debate over US antitrust enforcement stringency. First, it documents the price, quantity, and assortment effects of a …