4Charnes A, Cooper W W, Rhodes E. Measuring the Effi- ciency of Decision Making Units [J].European Journal of Opera- tion-al Research, 1978,3(4) :429-444.
5Banker R D, Charnes A, Cooper W W. Some models for esti-mating technical and scale inefficiencies in data envelopment- nalysis[J]. Management Science, 1984,30(9) : 1078-1092.
6Deprins D, Simar L, Tulkens H. Measuring Labor Effi- ciency in Post Offices [ M ]. New York :Springer US , 2006.
7Gupta S, Verhoeven M. The efficiency of }, overnment ex- pen-diture Exeriences from Africa [J]. Journal of Policy Modeling, 2001,23 (4) : 433-467.
8Revelli F, Tovmo P. Revealed yardstick competition: Lo- cal government efficiency patterns in Norway [J] . Journal of Ur- ban Economics, 2007,62( 1 ) : 121-134.
9Fried, Lovely Schmidt, et al. Accounting for Environ- mental Effectsand Statistical Noise in Data Envelopment Analysis [J]. Journal of Productivity Analysis ,2002,17(2) : 121-136.
10Fried H O, Lovell C A K, Schmidt S S , et al .Accounting for Environ- mental Effects and Statistical Noise in Data Envelopment Analysis[J]. Journal of Productivity Analysis,2002,17(1-2).