张五常教授在西安交大讲课的时候，推荐了16篇经典文章，并且为每一篇文章都写了导语，特此上传，以供诸位学习参考。
因为最近比较忙，所以只能趁闲暇时候上来，希望各位见谅。

张教授推荐的选读文章目录：
1. Carl G. Hempel, The Philosophy of Natural Science (Prentice-Hall Inc.1966, pp.1-32)
2. Armen A. Alchian, "University, Evolution and Economic Theory," J. of Polit. Econ. (June 1950)
3. Ernest Nagel, "Assumptions in Econimic Theory," Amer. Econ. Rev. (May 1963)
4. Armen A. Alchian, "The Meaning of Utility Measurement," Amer. Econ. Rev. (March 1953)
5. Irving Fisher, The Theory of Interest (Macmillan, 1930, pp3-149)
6. Miltion Friedman, "The Marshallian Demand Curve," J. of Polit. Econ. (December 1949)
7. Armen A. Alchian, "Cost," International Encyclopedia of the Social Sciences (October 1963)
8. Miltion Friedman, Price Theory (Aldine, 1976), Ch. 5
9. F. A. Hayek, "The Use of Knowledge in Society," Amer. Econ. Rev. (September 1945)
10. George J. Stigler, "The Economics of Information," J. of Polit. Econ. (June 1961)
11. George J. Stigler, The Theory of Price (Macmillan, 3rd edition, 1966), Chs. 11 & 12
12. Jack Hirshleifer, Price Theory and Applications (Pretice-Hall, 1976), ch. 11
13. R. H. Coase, "The Nature of the Firm," Economica, 1937
14. Steven N. S. Cheung, "The Contractual Nature of the Firm," J. of Law and Econ. (April 1983)
15. R. H. Coase, "The Problem of Social Cost," J. of Law and Econ. (October 1960)
16. Steven N. S. Cheung, The Myth of Social Cost, The Institute of Economic Affairs, 1978