The LeChatelier principle in a DEA model

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Title:	The LeChatelier principle in a DEA model
Authors:	Chen, Yah-Wei;Huang, Tai-Hsin
Contributors:	淡江大學經濟學系
Keywords:	LeChatelier principle;Quasi-fixed inputs;Technical efficiency;Allocative efficiency
Date:	2009-08
Issue Date:	2011-10-22 17:34:47 (UTC+8)
Publisher:	Amsterdam: Elsevier BV * North-Holland
Abstract:	This paper aims to relate the LeChatelier principle, first introduced into economics by Samuelson (1947), with the DEA approach through two propositions. These propositions allow for bridging the principle over a DEA model with and without the presence of non-discretionary inputs and enable one to make comparisons for the various efficiency measures under different conditions. The quasi-fixity of some inputs hinders a firm’s capacity from instantly and freely adjusting its input combination in order to minimize its production costs. The assumption that all inputs are discretionary tends to exaggerate managers’ ability to dispense resources and renders invalid information on the adjustment of the current input mix.
Relation:	European Journal of Operational Research 197(1), pp.371-373
DOI:	10.1016/j.ejor.2008.06.020
Appears in Collections:	[Graduate Institute & Department of Economics] Journal Article

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