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Biases in technical efficiency scores caused by intra-input aggregation : mathematical analysis and a DEA application using simulated data

Barnum, Darold T.; Gleason, John M. - In: Applied economics 38 (2006) 14, pp. 1593-1603

Persistent link: https://www.econbiz.de/10003359747

Technical efficiency bias in data envelopment analysis caused by intra-output aggregation

Barnum, Darold T.; Gleason, John M. - In: Applied economics letters 14 (2007) 7/9, pp. 623-626

Persistent link: https://www.econbiz.de/10003512286

Bias and precision in the DEA two-stage method

Barnum, Darold T.; Gleason, John M. - In: Applied economics 40 (2008) 16/18, pp. 2305-2311

Persistent link: https://www.econbiz.de/10003760753

Bias in Transport Efficiency Estimates Caused by Misspecified DEA Models

Barnum, Darold T.; Coupet, Jason; Gleason, John M.; … - 2019

This paper examines transport modes that have employed Data Envelopment Analysis (DEA). It ascertains whether key DEA specifications necessary for estimating valid efficiency scores are present, the impact on the scores when they are not, and methods for correcting the errors. One critical...

Persistent link: https://www.econbiz.de/10014032776

Technical efficiency bias caused by intra-input aggregation in data envelopment analysis

Barnum, Darold; Gleason, John M. - In: Applied economics letters 12 (2005) 13, pp. 785-788

Persistent link: https://www.econbiz.de/10003196182