1Rottenberg, S. (1956, June). The baseball players'labor market. Journal of Political Economy, 64,242- 258.
2Andrew Larsen, Aju J. Fenn and Erin Leanne Spenner. The Impact of Free Agency and the Salary Cap on Competitive Balance in the National Football League. Journal of Sports Economics. 2006 ; 7 ; 374- 390.
3Noll, R. G. (2002, May). The economics of promotion and relegation in sports leagues: The ease of English football. Journal of Sports Economies, 3,168 - 203.
4Neale W. (1964) " The Peculiar Economics of Professional Sport" , Quarterly Journal of Economics, 78, 1, 1 - 14.
5Peel, David and Thomas, Dennis ( 1997 ), "Handicaps, Outcome Uncertainty and Attendance Demand," Applied Economics Letters, 4(9) , 567 -570.
6Rascher, Daniel A. (1999) , "A Test of the Optimal Positive Production Network Externality inMajor League Baseball," in J. Fizel, E. Gustafsen, and L. Hadley (eds), Baseball Economics: Current Research, Westport, CT, Praeger.
7Fort, R., & Quirk, J. (1995, September). Cross- subsidization, incentives, and outcomes in professional team sports leagues. Journal of Economic Literature, 33, 1265- 1299.
8Kesenne, Stefan. 2000. "The Impact of Salary Caps in Professional Team Sports. " Scottish Journal of Political Economy 47 ( No. 4 September) : 422 -430.
9Balfour, A. , & Porter, P. (1991, January). The reserve clause in professional sports: Legality and effect on competitive balance. Labor Law Journal, 42, 8-18.
10Andrew Zimbalist. The End of Baseball As We Knew It: The Players' Union, 1960 - 81. Business History Review; Spring 2003 ; 77, 1. 158.
8BUZZACCHI L, SZYMANSKI S, VALLETTI T M. Equality of opportunity and equality of outcome.- open leagues, closed leagues and competitive balance[J]. J Industry Competit Trade, 2003, (3) : 167-186.
9CAIRNS J. Uncertainty of outcome and the demand for football [C]. University of Aberdeen Discussion Paper, 1988 : 88 92.
10CAIRNS J A,JENNETT N, SLOANE P J. The economies of professional team sports:Asurvey of theory and evidence[J]. J Eco Studie, 1986, (13) :3-80.