3Battese G.E.,Coelli T.J.A Model for Technical Inefficiency Effects in a Stochastic Frontier Production Function for Panel Data[J].Empirical Economics,1995,20:325-332.
4Laurits R.Christensen,William H.Greene,1976,Economies of Scale in U.S.Electric Power Generation The Journal of Plolitcal Economy, Vol.84, No.4,Part 1. 1976(9),pp.655-676.
5Toshiyuki Sueyoshi,1991,Estimation of Stochastic Frontier Cost Funcion Using Data Envelopment Analysis:An Application to the AT&A Divestiture, The Journal of the Operational Research Society,Vol.42,No.6. 1991(6).pp.463-477.
6J.Richmond,Estimating the Efficiency of Production,lnternational Economic Review,Vol. 15 ,No.21974(4),pp.515-521.
7David Reifschneider;Rodney Stevenson1991,Systematic Departures from the Frontier:A Framework for the Analysis of Finn Inefficiency, International Economic Review,Vol. 32 ,No.3.1991(8),pp.715-723.
8Subal C. Kumbhakar ,1991,The Measurement and Decomposition of Cost-Inefficiency:The Translog Cast System,Oxford Economic Papers,New Series,Vol.43,No.4. 1991(11),pp.667-683.
9Subal C. Kumbhakar1996,Estimation of Cost Efficiency with Heteroscedasticity:An Application to Electricity Utilities, The Statistician, Vol.45,No.3.1996.,pp.319-335.
10Subal C. Kumbhakar, Ana Lozano-Vivas,C.A.Knox Lovell,Iftekhar Hasn,2001,The Effects of Deregulation on the Performance of Financial Institutions:The Case of Spanish Savings Banks,Journal of Money, Credit and Banking. Vol.33.No. 1. 2001,pp. 101-120,
