An Empirical Study of the Determinant Factors of Banking Efficiency of China

중국 은행효율성의 결정요인에 관한 실증적 연구

After entering into the WTO in October, 2001, China started opening her bank industry on a full scale and her financial markets from the end of 2006. It is true that the Chinese commercial banks should make efforts to enhance their operational efficiency for adapting the rapid change of financial environments. In this paper, the efficiency of 4 Chinese state-owned commercial banks and 11 share holding commercial banks has been estimated. Our Tobit model to find out the determinants of these banks' efficiency. The results are as follows: The efficiency of these banks kept being improved from 1999 to 2003. With regard to the relationship between the determinants and the bank efficiency, their capital ratios, ownership structures and government subsidies are significant at the 5% level while the return on asset(ROA) is significant at the 10% level. The relationship between the determinants and the efficiency has showed that the size, capital ratios, ROA and ownership structure showed significantly before the entry to WTO, on the other hand, after WTO their capital ratios are the only factor to determine their efficiencies.

본 연구는 자료포락분석(DEA)기법을 이용하여 1999년부터 2003년까지 중국의 4대 국유상업은행과 11개의 주식제상업은행의 효율성을 측정하고, 이를 바탕으로 Tobit모형을 이용하여 은행효율성의 결정요인에 대해 실증분석을 실시하였다. 또한 WTO가입 전후 은행효율성의 결정요인에 변화가 있었는지를 살펴보았다. 분석결과, 전체적으로 자기자본비율, 소유권구조, 정보보조금이 5% 유의수준에서, 총자산이익률은 10%에서 유의적인 것으로 나타났으며, WTO가입 전후 나누어 분석한 결과, WTO가입 전에는 규모, 자기자본비율, 총자산이익률, 소유권구조 등 4개의 요인이 유의적인 것으로 나타난 반면, WTO가입 후에는 자기자본비율만이 유의적인 것으로 나타났다.