我国寿险公司范围经济效应的实证研究

An Empirical Study of the Economies of Scope in China's Life Insurance Companies

我国自1996年实施产寿分业经营以来,人身保险业务快速增长,寿险公司数量急剧增加,寿险公司业务中新型寿险的比重不断上升,呈现出"一险独大"的市场状况。运用超越对数成本函数,对国内29家具有代表性的寿险公司2005-2010年期间的范围经济状况进行检验的结果显示:不同规模和背景的寿险公司的范围经济系数均比较明显,但是很多寿险公司所表现出来的范围经济性具有"欺骗性"。因此,寿险业务结构调整缺乏内部的市场激励,需要强有力的外部力量推动。

The insurance industry carried out separating operation since 1996.The number of life insurance companies increased dramatically.The new life insurance products had dominated the life insurance business.This article applied the translog cost function method to test the scope of economy factor of 29 life insurance companies during the period of 2005 to 2010.Based on each company＇s financial condition and operating history and other factors,the paper analyzed which companies existed true economies of scope and false economies of scope.Further the paper pointed out that the structural adjustment of life insurance business lack internal market incentives,and need to drive by the strong external force.