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Applied Economics Letters Volume 14, 2007 - Issue 9
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Original Articles

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

Darold T. Barnum Departments of Information and Decision Sciences, and Managerial Studies, College of Business Administration (MC 243), University of Illinois at Chicago, 601 South Morgan Street, Chicago, IL 60607-7123, USACorrespondence[email protected]
&
John M. Gleason Department of Information Systems and Technology, College of Business Administration, Creighton University, Omaha, NE 68178, USA
Pages 623-626 | Published online: 11 Jul 2007

References

  • Barnum , DT and Gleason , JM . 2005 . Technical efficiency bias caused by intra-input aggregation in data envelopment analysis . Applied Economics Letters , 12 : 785 – 788 .
  • Barnum , DT and Gleason , JM . 2006a . Biases in technical efficiency scores caused by intra-input aggregation: mathematical analysis and a DEA application using simulated data . Applied Economics , 38 : 1593 – 1603 .
  • Barnum , DT and Gleason , JM . 2006b . Measuring efficiency in allocating inputs among outputs with DEA . Applied Economics Letters , 13 : 333 – 336 .
  • Färe , R and Grosskopf , S . 2004 . New Directions: Efficiency and Productivity , Boston : Kluwer Academic Publishers .
  • Färe , R and Zelenyuk , V . 2002 . Input aggregation and technical efficiency . Applied Economics Letters , 9 : 635 – 6 .
  • Färe , R , Grosskopf , S and Zelenyuk , V . 2004 . Aggregation bias and its bounds in measuring technical efficiency . Applied Economics Letters , 11 : 657 – 60 .
  • Litman , T . 2004 . Transit price elasticities and cross-elasticities . Journal of Public Transportation , 7 : 37 – 58 .
  • Shephard , RW . 1970 . Theory of Cost and Production Functions , Princeton, NJ : Princeton University Press .
  • Tauer , LW . 2001 . Input aggregation and computed technical efficiency . Applied Economics Letters , 8 : 295 – 7 .

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