| 期刊論文| 1. | Schaefer, Jeffrey M.、Warner, Adolphe J.(1977)。Concentration Trends and Competition in the Securities Industry。Financial Analysts Journal，33(6)，29-34。   | 圖書| 1. | Insurance Facts 1979。Insurance Information Institute。 | | 2. | Federal Reserve Bulletin. Board of Governors of the Federal Reserve System and Life Insurance Fact Book。American Council of Life Insurance。 | |