摘要
本文利用广义超越对数函数考察了2006年～2011年国内证券公司业务多元化经营的范围经济效应。实证结果表明,劳动投入和实物资本投入对证券公司的经营成本影响较大,经纪业务产出存在规模报酬递增和递减的两重性,国内证券公司业务经营存在范围经济,且大型证券公司的范围经济效应比中小型证券公司高,国有证券公司的范围经济效应大于非国有证券公司的。
This paper, based on GTCF, examines the scope economy of domestic security companies with businesses devicifation be- tween 2006 and 2011. The empirical results show that the labor inputs and physical capital inputs have great impact on the operating costs of the security companies in term of both increasing returns to scale and decreasing brokerage business output. The economies of scope are prevalent in the domestic security companies. While, the scope economy of the large security companies is greater than small and medium-sized security companies.
出处
《经济经纬》
CSSCI
北大核心
2012年第6期145-149,共5页
Economic Survey
关键词
多元化经营
证券公司
成本函数
范围经济
Business Diversification
Security Companies
Cost Function
Economies of Scope
