Please use this identifier to cite or link to this item: https://hdl.handle.net/1959.11/10709
Title: On the Measurement of Subset Input Overuse Using Data Envelopment Analysis
Contributor(s): Shankar, B (author); Hadley, David  (author)orcid 
Publication Date: 2005
Handle Link: https://hdl.handle.net/1959.11/10709
Abstract: The input-based radial measure of technical inefficiency can be interpreted as the extent of input overuse by a firm. In recent years, researchers in applied economics have been particularly interested in overuse estimates for the subset of inputs (e.g. polluting agrochemical use in agriculture), and have used the radial measure constructed using Data Envelopment Analysis for such estimation. The problem of 'slacks' can, however, be severe in Data Envelopment Analysis. One of the solutions available is the 'Russell' nonradial measure that provides 'slack-free' technical efficiency estimates. Some authors researching subset input overuse have therefore used the Russell instead. We argue here that the Russell is not a suitable tool when the objective is to highlight the extent of overuse in a subset of inputs (e.g., polluting chemicals in agricultural production). We present three arguments in this demonstration, and use numerical examples and an empirical application based on UK cereal production to illustrate.
Publication Type: Journal Article
Source of Publication: The Empirical Economics Letters, 4(3), p. 1-10
Publisher: University of Rajshahi
Place of Publication: India
ISSN: 1681-8997
Fields of Research (FoR) 2008: 140201 Agricultural Economics
140303 Economic Models and Forecasting
Socio-Economic Objective (SEO) 2008: 910210 Production
Peer Reviewed: Yes
HERDC Category Description: C1 Refereed Article in a Scholarly Journal
Appears in Collections:Journal Article

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