Battese GE, DSP Rao and TJ Coelli (1997). An Introduction to Efficiency and Productivity Analysis. Boston, USA, Kluwer.

Battese GE and GH Wan (1997). “A Stochastic Frontier Production Function with Flexible Risk Properties.” JPA 8(3): 269-280.

Bauer PW (1990). “Recent Developments in the Econometrics Estimation of Frontiers.” J Econometrics 46: 39-56.

Bauer PW and GD Ferrier (1996). “Scale Economies, Cost Efficiencies, and Technological Change in Federal Reserve Payments Processing.” J Money, Credit and Banking 28(4): 1004-1039.

Bates JM, DL Baines and DK Whynes (1998). “Assessing Efficiency in General Practice: An Application of Data Envelopment Analysis.” Health Services Management Research 11(2): 103-108.

Bates JM (1993). “The Efficiency of Local Education Authorities.” Oxford Review of Education 1: 277-289.

Bates JM (1997). “Measuring Predetermined Socioeconomic ‘Inputs’ When Assessing the Efficiency of Educational Outputs.” Appl Econ 29(1): 85-93.

Bates JM, D Baines and DK Whynes (1996). “Measuring the Efficiency of Prescribing by General Practitioners.” JORS 47(12): 1443-1451.

Barua A, PL Brockett, WW Cooper, H Deng, BR Parker, TW Ruefli and A Whinston (2004). ?DEA Evaluations of Long- and Short-Run Efficiencies of Digital vs. Physical Production Companies.” Socio-Econ Plan Sci 38(4): 233-253.

Basso A and S Funari (2003). “Measuring the Performance of Ethical Mutual Funds: A DEA Approach.” JORS 54(5): 521-531.