Research Article

Analysis of Chinese Commercial Banks’ Risk Management Efficiency Based on the PCA-DEA Approach

Table 8

The efficiencies and efficiency rankings of 26 Chinese commercial banks.

BankRank20112019Return to scale
TEPTESETEPTESE

SPDB11.00001.00001.00001.00001.00001.0000
CMBC20.51591.00000.51590.54960.71960.7638+
HXB30.30780.45330.67910.77200.97370.7928+
NBB40.28990.28991.00001.00001.00001.0000
CMB50.59300.94610.62680.39670.52930.7494+
CNCB60.39780.49430.80470.69090.74310.9297+
JSB70.34380.53000.64870.50361.00000.5036
CEB80.31680.32820.96540.40970.57060.7181
IB90.45320.74890.60510.42180.52820.7985+
CMB100.84040.84041.00000.14930.14930.9998
PAB110.66981.00000.66980.45960.51170.8981
NJB120.33180.37210.89160.32140.47590.6753
ZZB130.27970.39730.70410.23240.33070.7029
HZB140.35170.47420.74160.38280.60250.6354
SHB150.36800.36801.00000.15220.15221.0000
BJB160.26760.26760.99990.21590.24170.8932
CDB170.19930.36990.53890.32250.32480.9931+
GYB180.26970.53920.50030.18690.35990.5192+
QDB190.22340.31640.70610.21920.47030.4660
BOC200.27330.27330.99990.18070.18070.9998
ICBC210.32510.41760.77840.15610.17380.8979+
CCB220.34850.40100.86910.20160.20470.9848+
SZB230.27511.00000.27510.37980.58270.6518
CSB240.17651.00000.17650.37990.58530.6490
ABC250.25380.25381.00000.12640.12640.9997
XAB260.11230.17680.63530.24280.24281.0000+

Note. “----” means that the return to scale is unchanged; “−” means that the return to scale is decreasing; “+” means that the return to scale is increasing.