Optimal Paths And Costs Of Adjustment In Dynamic DEA Models: With Application To Chilean Department Stores

Filadelfo Mateo (), Timothy Coelli and Christopher O'Donnell

Annals of Operations Research, 2006, vol. 145, issue 1, 227 pages

Abstract: In this paper we propose a range of dynamic data envelopment analysis (DEA) models which allow information on costs of adjustment to be incorporated into the DEA framework. We first specify a basic dynamic DEA model predicated on a number of simplifying assumptions. We then outline a number of extensions to this model to accommodate asymmetric adjustment costs, non-static output quantities, non-static input prices, and non-static costs of adjustment, technological change, quasi-fixed inputs and investment budget constraints. The new dynamic DEA models provide valuable extra information relative to the standard static DEA models—they identify an optimal path of adjustment for the input quantities, and provide a measure of the potential cost savings that result from recognising the costs of adjusting input quantities towards the optimal point. The new models are illustrated using data relating to a chain of 35 retail department stores in Chile. The empirical results illustrate the wealth of information that can be derived from these models, and clearly show that static models overstate potential cost savings when adjustment costs are non-zero. Copyright Springer Science+Business Media, LLC 2006

Keywords: Cost of adjustment; Dynamic DEA; Path of adjustment (search for similar items in EconPapers)
Date: 2006
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Citations: View citations in EconPapers (12)

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DOI: 10.1007/s10479-006-0034-7

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