1Banker R D,Chames A,Cooper W W,Some Models for Estimating Technical and Scale Inefficiencies in Data Envelopment Analysis[J]. Management Science, 1984,30(9).
2Banker R D,Chang H,Natarajan R.Productivity Change,Technical Pro- gressand Relative Efficiency Change in the Public Accounting Indus- try[J].Management Science,2005,51 (2).