Barr, R.S., Seiford, L.M., Siems, T.F.: Forecasting bank failure: a non-parametric frontier estimation approach. Louvain Econ. Rev. 60(4), 417–429 (1994)
Chandra, P., Cooper, W.W., Li, S., Rahman, A.: Using DEA to evaluate 29 Canadian textile companies - considering returns to scale. Int. J. Prod. Econ. 54(2), 129–141 (1998)
Charnes, A., Cooper, W.W., Rhodes, E.: Measuring the efficiency of decision making units. Eur. J. Oper. Res. 17(1), 35–44 (1978)
Coelli, T.: A guide to DEAP version 2.1: a data envelopment analysis (Computer) program. Centre for efficiency and productivity analysis. University of New England. http://www.owlnet.rice.edu/~econ380/DEAP.PDF (1996)
Cook, W.D., Kress, M.: Characterizing an equitable allocation of shared costs: a DEA approach. Eur. J. Oper. Res. 119(3), 652–661 (1999)
Cooper, W.W., Ruiz, J.L., Sirvent, I.: Choosing weights from alternative optimal solutions of dual multiplier models in DEA. Eur. J. Oper. Res. 180(1), 443–458 (1999)
Cooper, W.W., Seiford, L.M., Tone, K.: Data Envelopment Analysis, 2nd ed.Springer, New York (2007)
CO2 time series 1990–2012 per region/country, European Commission, Joint Research Centre (JRC)/PBL Netherlands Environmental Assessment Agency, http://edgar.jrc.ec.europe.eu (2011)
Farrell, M.J.: The measurement of productive efficiency. J. R. Stat. Soc. A120, 253–282 (1957)
Gomes, E.G., Lins, M.P.E.: Modelling undesirable outputs with zero sum gains data envelopment analysis models. J. Oper. Res. Soc. 59(5), 616–623 (2008)
Gomes, E.G., Soares de Mello, J.C.C.B., Meza, L.A.: Large discreet resource allocation: a hybrid approach based on dea efficiency measurement. Pesqui. Oper. 28(3), 597–608 (2008)
Goto, M., Tsutsui, M.: Comparison of productive and cost efficiencies among Japanese and US electric utilities. Omega 26(2), 177–194 (1998)
Guedes de Avellar, J.V., Milioni, A.Z., Rabello, T.N.: Spherical frontier DEA model based on a constant sum of inputs. J. Oper. Res. Soc. 58(9), 1246–1251 (2007)
List of countries by population, Wikipedia, http://en.wikipedia.org/wiki/Countries_by_population (2013)
Murthi, B.P.S., Choi, Y.K., Desai, P.: Efficiency of mutual funds and portfolio performance measurement: a non-parametric approach. Eur. J. Oper. Res. 98(2), 408–418 (1997)
Sherman, H.D., Ladino, G.: Managing bank productivity using data envelopment analysis (DEA). Interfaces 25(2), 60–73 (1995)
Statistical review of world energy, British Petroleum, http://bp.com/statisticalreview (2013)
Tone, K.: A slacks-based measure of efficiency in data envelopment analysis. Eur. J. Oper. Res. 130(3), 498–509 (2001)
World economic and financial surveys, World Economic Outlook Database, International Monetary Fund, http://www.imf.org/external/pubs/ft/weo/2013/02/weodata/index.aspx (2013)
Yan, H., Wei, Q., Hao, G.: DEA models for resource allocation and production input/output estimation. Eur. J. Oper. Res. 136(1), 19–31 (2002)
Yang, F., Wu, D.D., Liang, L., O’Neill, L.: Competition strategy and efficiency evaluation for decision making units with fixed-sum outputs. Eur. J. Oper. Res. 212(3), 560–569 (2011)