1see D．R．Anderson et al.，Statistics for Business and Economics(8the dition)，Cincinnati,Ohio South-Western College Pub-lishing,2002,p．790,pp．391-402，p．802．
2D. R. Anderson et al. , Statistics for Business and Economics(8th edition), Cincinnati, Ohio: South-Western College Publishing, 2002, pp. 790-818
3S, Siegel, Nonparametric Statistics for the Behavioral Sciences, New York: McGraw-Hill Book Company, 1956.
4Michael O. Finkelstein, Quantitative Methods in Law,Studies in the Application of Mathematical Probability and Statistics to Legal Problems,New York:The Free Press and Collier Macmillan Publishers, 19787,pp. 249-262.
5Robert Grosser, The Andean Foreign Investment Code's Impact on Multinational Enterprises, 1989.
6Reprinted in Peter Robson ed. , Transnational Corporations and Regional Economic Integration, London: Routledge, 1993, pp. 265-282.
7UNCTAD, Bilateral Investment Treaties in the Mid-1990s, New York: Untied Nations, 1998, pp. 105-122.
8Charles J. Hardlock,D. Scott Lee,and Robert Parrino, Chief Executive Officer Careers in Regulated Environments:Evidence from Electric and Gas Utilities,Journal of Law and Economics, 2002,XLV(2), pp. 535-564.
9M. M, Frank, et al. , Copycat Fund, Information Disclosure Regulation andthe Returns to Active Management in the Mutual Fund Industry,Journal of Law and Economics,2004,XLVⅡ(2), pp. 515-542.
10J effery Grogger, The Effects of Civil Gang Injunctions on Reported Violent Crime;Evidence from Los Angles County,Journal of Law and Economics,72002,XLV(1), pp. 69-90.
