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Table 5 Covariance matrix

From: Health expenditure efficiency in rural China using the super-SBM model and the Malmquist productivity index

  Component    
1 2 3 4
NC -0.558 0.111 0.615 0.406
NTH -0.112 -0.179 0.790 0.213
DA -0.590 0.134 0.433 0.475
DTH 0.692 0.178 0.326 -0.088
LDT -0.290 0.840 0.119 -0.309
NTH -0.175 0.894 -0.049 -0.323
BED 0.193 0.806 0.356 -0.071
NV 0.900 0.004 0.361 0.093
NI 0.035 0.477 -0.504 0.651
UB 0.439 0.373 -0.460 0.623
ADH 0.871 0.067 0.360 0.090