4J.S. Alworth and C.E,V.Borio Commercial Paper Markets: A Survey BIS Economic Papers, No.37, Apri 1993.
5Pu Shen, Why Has the Nonfinancial Commercial Paper Market Shrunk Recently?[R] Economic Review, Federal Reserve Bank of Kansas City, 2003.
6Short-term rating performance and corporate commercial paper default, Global Credit Research, Moody' s Investors Service, 1972-2004.
7Cooke, Timothy Q., Determinants of the Spread between Treasury Bill Rates and Private Sector Money Market Rates[J], Journal of Economics and Business, Spring/ Summer, 1981,177-187.
8Jones, Robert A., Joseph M.Ostroy, Flexibility and Uncertainty[J].Review of Economic Review, March 1983, 78-98
9J. Peter Ferderer, Stephen C. Vogt, Ravi Chahil, Liquidity, Uncertainty, and the Declining Predictive Power of the Paper-Bill Spread, No. 119,1994,Clark University Working Paper.
10Bemake, Ben S., On the Predictive Power of Interest Rates and Interest Rate Spreads[J], New England Economic Review, Nov-Dec 1990, 51-68.
