Incorporating Intra- and Inter-Input/Output Weight Restrictions in Piecewise Linear DEA: An Application to the Assessment of the Research Activity in Higher Education

Dimitrios Sotiros, Yannis G. Smirlis and Dimitris K. Despotis
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Yannis G. Smirlis: University of Piraeus
Dimitris K. Despotis: University of Piraeus

A chapter in Managing Service Productivity, 2014, pp 37-54 from Springer

Abstract: Abstract Standard Data Envelopment Analysis models view all input/output factors as linear value functions. Piecewise Linear Data Envelopment Analysis (PL-DEA) is a generalization of the DEA methodology which incorporates piecewise linear functions of factors to handle situations that do not have a linear impact on efficiency, as they may exhibit either diminishing or increasing marginal values. In this chapter we extend PL-DEA to Value-based PL-DEA that incorporates value judgments and allows common treatment for intra- and inter-input/output weight restrictions. Value-based PL-DEA further enables a better expression of individual preferences, enhances the model with the fully units invariance property and also resolves the discontinuity issue that exist in the original PL-DEA model. Value based PL-DEA is illustrated by an application to assess the quality and extent of research work in higher education.

Keywords: Data Envelopment Analysis; PL-DEA; University assessment; Efficiency; Managing Service Productivity (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1007/978-3-662-43437-6_3

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