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Title: On technical inefficiency indicators at the industry level
Authors: Färe, Rolf
Grosskopf, Shawna
Karagiannis, Giannis
Type: Article
Subjects: FRASCATI::Social sciences::Economics and Business
Keywords: Industry Efficiency Indicators
Firm Efficiency Indicators
Direction Vector
Issue Date: Feb-2018
Publisher: Elsevier
Source: International Journal of Production Economics
Volume: 196
First Page: 333
Last Page: 334
Abstract: In this note we show how alternative measures of technical inefficiency at the industry level, evaluated along different direction vectors, are related to one another. Based on the homogeneity property of the directional technology distance function with respect to the direction vector, we verify that aggregate efficiency evaluated relative to the industry aggregate input-output vector is equal to the average of individual efficiency scores evaluated relative to the average input-output vector.
ISSN: 0925-5273
Other Identifiers: 10.1016/j.ijpe.2017.12.006
Appears in Collections:Department of Economics

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