Retzlaff-Roberts DL, CF Chang and RM Rubin (2004). “Technical Efficiency in the Use of Health Care Resources: A Comparison of OECD Countries.” Health Policy 69(1): 55-72.

Retzlaff-Roberts DL and DJ Fine (1995). “Estimating the Hospital-Wide Cost Differentials Warranted for Teaching Hospitals: An Alternative to Regression Approaches.” Medical Care 33(5): 531-552.

Retzlaff-Roberts DL, DJ Fine, SW Loree and S Tsubakitani (1992). “The Trade-Off between Hospital Cost and Quality of Care. An Exploratory Empirical Analysis.” Medical Care 30(8): 677-698.

Retzlaff-Roberts DL and RC Morey (1993). “A Goal-Programming Method of Stochastic Allocative Data Envelopment Analysis.” EJOR 7: 379-397.

Retzlaff-Roberts DL and R Puelz (1996). “Classification in Automobile Insurance Using a DEA and Discriminant Analysis Hybrid.” JPA 7(4): 417-427.

Resende M (2002). “Relative Efficiency Measurement and Prospects for Yardstick Competition in Brazilian Electricity Distribution.” Energy Policy 30(8): 637-647.

Resende M and LO Facanha (2002). “Privatization and Efficiency in Brazilian Telecommunications: An Empirical Study.” Appl Econ Letters 9(12): 823-826.

Resende M and L Otavio Facanha (2005). “Price-Cap Regulation and Service-Quality in Telecommunications: An Empirical Study.” Information Economics and Policy 17(1): 1-12.

Resti A (1997). “Evaluating the Cost-Efficiency of the Italian Banking System: What Can Be Learned from the Joint Application of Parametric and Non-Parametric Techniques.” J Banking and Finance 21(2): 221-250.

Resti A (2000). “Efficiency Measurement for Multi-Product Industries: A Comparison of Classic and Recent Techniques Based on Simulated Data.” EJOR 121(3): 559-578.