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Negative Data in Data Envelopment Analysis (DEA)

Kenneth D. Lawrence ^a

Sheila M. Lawrence ^b

Dinesh R. Pai ^c

^aNew Jersey Institute of Technology, USA

^bRutgers, The State University of New Jersey, USA

^cPennsylvania State University, USA

Applications of Management Science

ISBN: 978-1-80071-552-3, eISBN: 978-1-80071-551-6

Publication date: 8 August 2022

Abstract

This chapter develops a productivity analysis of the US pharmaceutical industry via Data Envelopment Analysis (DEA). This study concerns itself with 16 US pharmaceutical companies. The output variables are profit margin, operating margin, return on assets, and return on equity. The input variables are corporate workers and market capital. Since negative data appear in DEA, a directional distance approach was applied.

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Citation

Lawrence, K.D., Lawrence, S.M. and Pai, D.R. (2022), "Negative Data in Data Envelopment Analysis (DEA)", Lawrence, K.D. and Pai, D.R. (Ed.) Applications of Management Science (Applications of Management Science, Vol. 21), Emerald Publishing Limited, Leeds, pp. 49-53. https://doi.org/10.1108/S0276-897620220000021005

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Emerald Publishing Limited

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