DEA evaluations of long- and short-run efficiencies of digital vs. physical product “dot com” companies

This paper applies Data Envelopment Analysis to determine relative efficiencies between internet dot com companies that produce only physical products and those that produce only digital products. To allow for the fact that the latter are relatively inexperienced, a distinction is made between long-...

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Bibliographic Details
Published in:Socio-economic planning sciences 2004-12, Vol.38 (4), p.233-253
Main Authors: Barua, Anitesh, Brockett, P.L, Cooper, W.W, Deng, Honghui, Parker, Barnett R, Ruefli, T.W, Whinston, A
Format: Article
Language:English
Subjects:
Data analysis
Data Envelopment Analysis
Economic efficiency
Electronic commerce
Internet
Long-run efficiency
Macroeconomics
Planning methods
Short-run efficiency
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Summary:This paper applies Data Envelopment Analysis to determine relative efficiencies between internet dot com companies that produce only physical products and those that produce only digital products. To allow for the fact that the latter are relatively inexperienced, a distinction is made between long- and short-run efficiencies and inefficiencies, with a finding of no statistically significant difference in the short run but digital product companies are significantly more efficient in the long run. A new way of distinguishing between long- and short-run performances is utilized that avoids the need for identifying the time periods associated with long-run vs. short-run efficiencies and inefficiencies. In place of “time,” this paper utilizes differences in the “properties” that economic theory associates with long- and short-run performances.
ISSN:0038-0121
1873-6041
DOI:10.1016/j.seps.2003.10.002