A One-Step Procedure for Returns to Scale Classification of Decision Making Units in Data Envelopment Analysis
The input-output bundle of an efficient decision making unit (DMU) is located at a specific point on the frontier of the production possibility set. Returns to Scale (RTS) at this point can be unequivocally characterized. For an inefficient DMU, however, the input- and output-oriented projections on to the frontier will be different and RTS classifications at these two points may differ. In the existing literature, one needs to solve two DEA problems, one input-oriented and another output-oriented to determine the nature of RTS at these two different efficient projections. This paper shows how one can determine the returns to scale properties of an inefficient bundle simultaneously at both projections from the optimal solution of a single CCR-DEA problem either output- or input-oriented. A data set used by Christensen and Greene in their well known study of US electric utilities is used for an illustration of the proposed method in a numerical example.
|Date of creation:||Apr 2010|
|Date of revision:|
|Contact details of provider:|| Postal: University of Connecticut 365 Fairfield Way, Unit 1063 Storrs, CT 06269-1063|
Phone: (860) 486-4889
Fax: (860) 486-4463
Web page: http://www.econ.uconn.edu/
More information through EDIRC
References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Banker, Rajiv D. & Cooper, William W. & Seiford, Lawrence M. & Thrall, Robert M. & Zhu, Joe, 2004. "Returns to scale in different DEA models," European Journal of Operational Research, Elsevier, vol. 154(2), pages 345-362, April.
- R. D. Banker & A. Charnes & W. W. Cooper, 1984. "Some Models for Estimating Technical and Scale Inefficiencies in Data Envelopment Analysis," Management Science, INFORMS, vol. 30(9), pages 1078-1092, September.
- Kerstens, Kristiaan & Vanden Eeckaut, Philippe, 1999.
"Estimating returns to scale using non-parametric deterministic technologies: A new method based on goodness-of-fit,"
European Journal of Operational Research,
Elsevier, vol. 113(1), pages 206-214, February.
- KERSTENS, Kristiaan & VANDEN EECKAUT, Philippe, 1997. "Estimating returns to scale using nonparametric deterministic technologies : a new method based on goodness-of-fit," CORE Discussion Papers 1997013, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
- Banker, Rajiv D., 1984. "Estimating most productive scale size using data envelopment analysis," European Journal of Operational Research, Elsevier, vol. 17(1), pages 35-44, July.
When requesting a correction, please mention this item's handle: RePEc:uct:uconnp:2010-07. See general information about how to correct material in RePEc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Mark McConnel)
If references are entirely missing, you can add them using this form.