Here are Thibault Schrepel’s monthly reading suggestions. Topics include when and how to rescue efficiencies in horizontal merger control, recent U.S. antitrust decisions from April through June, a large language model that predicts case outcomes under Peruvian competition law, how competition authorities can adopt and govern generative AI, hub-and-spoke collusion through a third-party pricing algorithm, a five-year scenario for Europe's slide into AI irrelevance, why the DMA's service-based taxonomy does not fit frontier AI, a new tool that debugs large...