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本文基于超对数资金需求随机边界模型,运用单阶段估计技术,评估了我国银行业的资金投入效率,并对其无效率效应进行了系统分析。研究发现,我国银行业整体资金无效率水平在样本期间内有一定程度的上升,其中城市商业银行显示了最优的资金效率水平,大型商业银行效率最低,股份制银行则在整个样本期间和行业平均水平基本一致。上市发行新股对银行效率造成积极影响,市场份额与效率正相关,资产规模扩张效应为负,而产权性质与资金效率之间没有必然联系,外资参股、市场管制放松的影响也相对有限。以上发现对我国银行业进一步改革具有一定借鉴价值。
Based on the meta-logarithm of random demand and the stochastic frontier model, this paper evaluates the efficiency of capital investment in China’s banking sector by using single-stage estimation techniques and systematically analyzes its inefficiency. The study found that the overall level of capital inefficiency in China’s banking industry increased to some extent during the sample period, of which city commercial banks showed the best level of capital efficiency, the lowest efficiency of large commercial banks, and the shareholding banks’ average during the whole sample period and industry average Basically the same level. The IPO of new shares has a positive impact on bank efficiency. The market share is positively correlated with the efficiency and the expansion effect of the asset scale is negative. There is no necessary connection between the property rights and the capital efficiency. The impact of the equity participation by foreign investors and the relaxation of market regulation is also relatively limited. The above findings have some reference value for the further reform of China’s banking sector.