3Armen A. Alchian, William R. Allen, University Economics, 2005, Elements of Inquiry / Edition 3rd ed, Publication info Belmont, Ca|if: Wadsworth Pub. Co.
4Elinor Ostrom, 2005, Understanding Institutional Diversity, New Jersey:Princeton University Press.
5J. S. Adams, 1965, Inequity in Social Exchanges, New York: Academic Press.
7V. H. Vroom, 1964, Work and Motivation,New York: John Wiley.
8W.C. Clark and N. M. Dickson, "Sustainability Science: The Emerging Research Program", Proceedings of the Na- tional Academy of Science, Vol. 100, 2003, pp. 8059-- 8061.
9Jianguo Liu et al. , "Complexity of Coupled Human and Natural systems", Science, vol. 317, 2007, pp. 1513--1516.
10S.A. Levin, Fragile Dominion :Complexity and the Commons, Reading, MA: Perseus Books, 1999.