Becker, Gary S. 1983. "A Theory of Competition Among Pressure Groups for Political Influence." Quarterly Journal of Economics, 98, 371-400.
Becker, Gary S. 1988. “Public Policies, Pressure Groups, and Dead Weight Costs,” in Stigler (ed.), Chicago Studies in Political Economy. Chicago: University of Chicago Press.
Crain, W. Mark and Rober E. McCormick. 1984. “Regulators as an Interest Group,” in Buchanan and Tollison (eds.), The Theory of Public Choice-II. Ann Arbor: University of Michigan Press.
McCormick, Robert E. and Robert D. Tollison. 1981. Chapters 1-2. Politicians, Legislation and the Economy. Boston: Martinus-Nijhoff.
Murrell, Peter. 1984. "An Examination of the Factors Affecting the Formation of Interest Groups in OECD Countries." Public Choice, 43, 113-149.
Peltzman, Sam. 1976. "Toward a More General Theory of Regulation." Journal of Law and Economics, 19, 211-240.
Stigler, George J. 1971. "Theory of Economic Regulation." Bell Journal of Economics and Management Science, 2, 3-21.
Stigler, George J. 1972. “The Process of Economic Regulation.” Antitrust Bulletin, Spring.
Stigler, George J. 1974. "Free riders and collective action: An appendix to theories of economic regulation." Bell Journal of Economics and Management Science, 5, 359-65