Opening the 'black box' of efficiency measurement: input allocation in multi-output settings
AbstractWe develop a new Data Envelopment Analysis (DEA)-based methodology for measuring the efficiency of Decision Making Units (DMUs) characterized by multiple inputs and multiple outputs. The distinguishing feature of our method is that it explicitly includes information about output-specific inputs and joint inputs in the efficiency evaluation. This contributes to opening the „black box? of efficiency measurement in two different ways. First, including information on the input allocation substantially increases the discriminatory power of the efficiency measurement. Second, it allows to decompose the efficiency value of a DMU into output-specific efficiency values which facilitates the identification of the outputs the manager should focus on to remedy the observed inefficiency. We demonstrate the usefulness and managerial implications of our methodology by means of a unique dataset collected from the Activity Based Costing (ABC) system of a large service company with 290 DMUs.
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Bibliographic InfoPaper provided by Katholieke Universiteit Leuven, Centrum voor Economische Studiën in its series Center for Economic Studies - Discussion papers with number ces11.10.
Date of creation: May 2011
Date of revision:
Other versions of this item:
- Bram De Rock & Laurens Cherchye & Bart Dierynck & Filip Roodhooft & Jeroen Sabbe, 2013. "Opening the Black Box of Efficiency Measurement: Input Allocation in Multi-Output Settings," ULB Institutional Repository 2013/151675, ULB -- Universite Libre de Bruxelles.
- Cherchye, L. & De Rock, B. & Dierynck, B. & Roodhooft, F. & Sabbe, J., 2011. "Opening the ‘Black box’ of efficiency measurement: Input allocation in Multi-output settings," Vlerick Leuven Gent Management School Working Paper Series 2011-13, Vlerick Leuven Gent Management School.
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