4Jensen, M.C., and Meckling W.H., Theory of the Firm: Managerial Behavior, Agency Costs and Ownership structure [J], Journal of Financial Economics, 1976. 3: 305-360.
5DeFond M. L., The association between changes in Client firm agency costs and auditor switching [J], Auditing, 1992, 11: 16-31.
6Francis; J., and E. Wilson, Auditor changes: A joint test of theories relating to agency costs and auditor differentiation [J], The Accounting Review, 1988, 63: 663- 682.
7Simunic, D.A., and M.T. Stein, Product differentiation in auditing: auditor choice in the market for unseasoned new issues [J], Working paper, The Canadian certified general accountants' research foundation, 1987.
8Chow, C., The demand for external, audting: size, debt and ownership influences [J], Accounting Eeview, 1982, 57: 272- 291.
9Eichenseher, J.W., and D. Shield, Corporate capital structure and audit 'fit' [J], Advances in Accounting, 1989 ,(Supplement): 39-56.
10Menon K,, and D. Williams, Auditor credibility and initial public offerings [J].Accounting Review, 1991, 66: 313-332.