[Limdep Nlogit List] CRS and VRS DEA efficiencies

Johnes, Jill j.johnes at lancaster.ac.uk
Mon Apr 27 20:48:35 EST 2009

I am using Limdep's frontier command to estimate DEA efficiencies for
112 DMUs with up to three outputs and 4 inputs. Under the assumption of
CRS, DEA efficiencies should be identical for both input- and
output-orientation. Yet when I impose CRS in the DEA in Limdep, the two
sets of efficiencies are not identical. Can anyone explain this? Thanks




Dr. Jill Johnes 
Senior Lecturer in Economics 

Lancaster University Management School 
Lancaster LA1 4YX United Kingdom 

e-mail: j.johnes at lancaster.ac.uk 
tel: +44 1524 594224 


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