Analysis on Operating Efficiency of Chinese Securities Companies Based on Super Efficiency DEA and DEA-Malmquist Index Method

With the expansion of China's securities market scale, companies as an important participant in have also developed rapidly. Under influence global epidemic, transaction volume continued to decline, profit prospects firms increased, liquidity be loose, and overall policy budget was surplus. Through efficiency analysis companies, we can understand resource utilization industry conditions find out gaps deficiencies, then improve, improve operating industry. In order evaluate more scientific objective, this paper adopts DEA-Malmquist index super-efficiency DEA method, based on financial statement data disclosed by 25 2016~2020, establishes evaluation system, analyzes calculates reveals their internal reasons. The research results show that (1) steady improvement productivity; (2) technical progress is main factor; (3) with different scale weakly hinders efficiency; (4) Large should pay attention control develop innovative business, strengthen cost management, risk response ability.