Separating Managerial Inefficiency from Influences of the Operating Environment: An Application in Dialysis. - Nick Kontodimopoulos; Nikolaos D. Papathanasiou; Yannis Tountas; Dimitris Niakas (J. Medical Syst., 2010)

The Impact of Non-Discretionary Factors on DEA and SFA Technical Efficiency Differences. - Nick Kontodimopoulos; Nikolaos D. Papathanasiou; Angeliki Flokou; Yannis Tountas; Dimitris Niakas (J. Medical Syst., 2011)