to the range of "strategic responses" available to incumbents that were not considered by Baumol as part of his theory. See also Bertrand–Edgeworth model Coercive monopoly Monopolistic competition Perfect competition Notes References William J. Baumol, John C. Panzar, & Robert D. Willig (1982). Contestable Markets and the Theory of Industry Structure. William A. Brock (1983). "Contestable Markets and the Theory of Industry Structure: A Review Article". The Journal of Political Economy, v. 91, no. 6, pp. 1055–1066. John C. Panzar (1987). "Competition and efficiency," The New Palgrave: A Dictionary of Economics, v. 1, pp. 543–44. George J. Stigler (1987). "Competition," The New Palgrave: A Dictionary of Economics, v. 1, pp. 531–46. Antitrust by Alan Greenspan (arguing against the existence of anti-trust laws based on theory that government is solely responsible for coercive monopoly) Stephen Martin (2000). The Theory of Contestable Markets. Essentials of Economics, John Sloman (3rd edition) Monopoly (economics) Market (economics)