Erik Lakomaa and Rasmus Nykvist published their article on monopolist de-regulation on Business History. Have a read: Lakomaa, E., & Nykvist, R. (2025). Monopolists for Competition? Incumbent Action by Telecom Operators and Financial Exchanges 1980–1990. Business History, 1–34. https://doi.org/10.1080/00076791.2025.2539273