1. Alchian, A. A., & Demsetz, H. (1972). Production, information costs, and economic organization. American Economic Review, 62, 777–795.
2. Axelrod, R. (1984). The evolution of cooperation. New York: Basic Books.
3. Axelrod, R., & Hamilton, W. D. (1981). The evolution of cooperation. Science, 27, 1390–1396.
4. Becker, G. S. (1983). A theory of competition among pressure groups for political influence. Quarterly Journal of Economics, 98, 371–400.
5. Bentley, A. (1908). The process of government. Chicago: University of Chicago Press.