共 9 条
- [4] The efficiency and productivity of Japanese securities firms, 1988–93[J] . Hirofumi Fukuyama,William L. Weber.Japan & The World Economy . 1999 (1)
- [5] Inside the black box: What explains differences in the efficiencies of financial institutions?[J] . Allen N. Berger,Loretta J. Mester.Journal of Banking and Finance . 1997 (7)
- [6] IS THE CONCENTRATION-PROFIT CORRELATION PARTLY AN ARTIFACT OF LUMPY TECHNOLOGY [J]. AMERICAN ECONOMIC REVIEW, 1987, 77 (04): : 731 - 733
- [7] The Gains and Losses from Industrial Concentration[J] . Sam Peltzman.Journal of Law and Economics . 1977 (2)
- [8] Industry Structure, Market Rivalry, and Public Policy[J] . Harold Demsetz.Journal of Law and Economics . 1973 (1)
- [9] THE MEASUREMENT OF PRODUCTIVE EFFICIENCY [J]. JOURNAL OF THE ROYAL STATISTICAL SOCIETY SERIES A-GENERAL, 1957, 120 (03): : 253 - 290