1. Abel, A.B. (1991). The equity premium puzzle. Business Review (Federal Reserve Bank of Philadelphia). Sep/Oct 91, 3:1–14.
2. Arrow, K. (1964). The role of securities in the optimal allocation of risk-bearing. Review of Economic Studies, 31(2), 91–96.
3. Breeden, D. T., & Litzenberger, R. H. (1978). Prices of state-contingent claims implicit in option prices. The Journal of Business, 51(4), 621–651.
4. Colgan, J. (2015). How OPEC lost its bite: The oil cartel that behaves like a club. Foreign Affairs, December 3, 2015.
https://www.foreignaffairs.com/articles/persian-gulf/2015-12-03/how-opec-lost-its-bite
. Accessed 19 Feb 2018.
5. Debreu, G. (1959). Theory of value. New York: Wiley.