7Ahn Byong Hun and Jung Heon. Power Balance and Equilibrium Channel Structure in the Korean Gasoline Market[J]. Energy Journal, 1994, 15 (1): 157 -172.
8Berger A. N. And T. H Hannan. Using Efficiency Measures to Distinguish among Alternative Explanations of the Structure--Performance Relationship in Banking[J]. Finance and Economics Discussion Series, Board of Governors of the Federal Reserve System, 1993, (18).
9Carson J. M. and Hoyt R. E. Life Insurer Financial Distress: Classification Models and Empirical Evidence [J]. Journal of Risk and Insurance, 1995, (62) : 764--775.
10Pottier S. W. and D. W. Sommer. AgencyTheory and Life Insurer Ownership Structure [J]. Journal of Risk and Insurance, 1997, (64):529--543.