Journal
EUROPEAN JOURNAL OF OPERATIONAL RESEARCH
Volume 215, Issue 2, Pages 431-438Publisher
ELSEVIER
DOI: 10.1016/j.ejor.2011.06.017
Keywords
Data Envelopment Analysis (DEA); Returns to scale (RTS); Weight restrictions; TIMSS study
Funding
- HSE
- Academy of Finland [121980]
- Academy of Finland (AKA) [121980, 121980] Funding Source: Academy of Finland (AKA)
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This paper provides computationally efficient approaches for determining to which returns to scale (RTS) class a unit belongs in weight-restricted Data Envelopment Analysis (DEA) models. A non-traditional computational algorithm is introduced. The suggested approach is based on the calculation of certain ratios within the data set and offers obvious computational advantages over the traditional approaches involving the solution of standard DEA models. Some theorems and algorithms are given. Computational advantages of the provided results are discussed and one of the algorithms is illustrated using real world data. (C) 2011 Published by Elsevier B.V.
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