Portela MCAS and E Thanassoulis (2005). “Profitability of a Sample of Portuguese Bank Branches and its Decomposition into Technical and Allocative Components.” EJOR 162(3): 850-866.

Portela MCAS and E Thanassoulis (2005). “Profitability of a Sample of Portuguese Bank Branches and its Decomposition into Technical and Allocative Components.” EJOR 162(3): 850-866.

Portela MCAS and E Thanassoulis (2006). “Zero Weights and Non-Zero Slacks: Different Solutions to the Same Problem.” Ann Oper Res 145: 129-147.

Portela MCAS and E Thanassoulis (2006). “Zero Weights and Non-Zero Slacks: Different Solutions to the Same Problem.” Ann Oper Res 145: 129-147.

Portela MCAS and E Thanassoulis (2007). “Comparative Efficiency Analysis of Portuguese Bank Branches.” EJOR 177(2): 1275-1288.

Portela MCAS and E Thanassoulis (2007). “Comparative Efficiency Analysis of Portuguese Bank Branches.” EJOR 177(2): 1275-1288.

Portela MCAS and E Thanassoulis (2007). “Developing a Decomposable Measure of Profit Efficiency Using DEA.” J the Operational Research Society.

Portela MCAS and E Thanassoulis (2007). “Developing a Decomposable Measure of Profit Efficiency Using DEA.” J the Operational Research Society.

Portela MCAS, E Thanassoulis and G Simpson (2004). “Negative Data in DEA: A Directional Distance Approach Applied to Bank Branches.” JORS 55(10): 1111-1121.

Portela MCAS, E Thanassoulis and G Simpson (2004). “Negative Data in DEA: A Directional Distance Approach Applied to Bank Branches.” JORS 55(10): 1111-1121.

Porter PK (1991). “The Productive Efficiency of US Milk Processing Co-Operatives.” J Agricultural Economics 42(2): 161-173.

Porter PK (1991). “The Productive Efficiency of US Milk Processing Co-Operatives.” J Agricultural Economics 42(2): 161-173.

Podinovskii VV and OV Sterkhova (1997). “Models of Evaluating the Efficiency of Independent Decision Making Units.” Moscow University Computational Mathematics and Cybernetics(1): 32-38.

Podinovskii VV and OV Sterkhova (1997). “Models of Evaluating the Efficiency of Independent Decision Making Units.” Moscow University Computational Mathematics and Cybernetics(1): 32-38.

Post GT (2001). “Estimating Non-Convex Production Sets Using Transconcave DEA.” EJOR 131: 132-142.

Post GT (2001). “Estimating Non-Convex Production Sets Using Transconcave DEA.” EJOR 131: 132-142.

Podinovskij VV and OV Sterkhova (1997). “Models for Estimating Efficiency of Decision Making Units Using Data Envelopment Analysis.” Vestnik Moskovskogo Universiteta: Matematika i Kibernetika 15(1): 23-28.

Podinovskij VV and OV Sterkhova (1997). “Models for Estimating Efficiency of Decision Making Units Using Data Envelopment Analysis.” Vestnik Moskovskogo Universiteta: Matematika i Kibernetika 15(1): 23-28.

Poldaru R and J Roots (2004). “Modeling Grain Yield in Estonian Counties: A Stochastic Frontier Analysis Approach.” in Emrouznejad A and V Podinovski (eds.) Proceedings of DEA2004, Birmingham, UK: 259.

Poldaru R and J Roots (2004). “Modeling Grain Yield in Estonian Counties: A Stochastic Frontier Analysis Approach.” in Emrouznejad A and V Podinovski (eds.) Proceedings of DEA2004, Birmingham, UK: 259.