von Auer, Ludwig; Pham, Tu Anh - In: Journal of Regulatory Economics 59 (2021) 2, pp. 175-192
This paper introduces an oligopoly model that includes three actors: a cartel (comprising two or more firms that operate like one merged company), a group of competing fringe firms, and a welfare maximizing antitrust authority. The cartel is the Stackelberg quantity leader and the fringe firms...