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- Pindyck, R., and D. Rubinfeld. 2005. Microeconomics. 6th ed. Upper Saddle River, NJ: Pearson Prentice-Hall.
- Wang, X., and B. Yang. 2001. Fixed and sunk costs revisited. Journal of Economic Education 32 (Spring): 178-85.
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The Journal of Economic Education
Volume 38, 2007 - Issue 3