Article (Scientific journals)
Global Malmquist and cost Malmquist indexes for group comparison
Walheer, Barnabé
2022In Journal of Productivity Analysis
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Keywords :
China; Circularity; Global cost Malmquist index; Global Malmquist index; Groups; Infeasibility; Business and International Management; Social Sciences (miscellaneous); Economics and Econometrics
Abstract :
[en] The Malmquist index (MI) has demonstrated its usefulness in comparing the performances of Decision Making Units (DMUs) performances. The global MI (GMI) has been suggested as a means to overcome three drawbacks of the MI: non-circularity, disparate measurements, and infeasibility. Recently, it has appeared that the MI can also be used to compare groups of DMUs. While this new function of the index has also increased its usefulness, it presents the same drawbacks as the MI. In this paper, we define the global counterpart of the MI for group contexts. We also consider the case where DMUs have an economic optimization behavior by proposing a global cost MI (GCMI). The GCMI requires the observation of the input prices. As it may represent a strong assumption, we propose solutions. These two novel indexes equip the practitioners with a new toolkit. We illustrate the usefulness of our new indexes with the Chinese energy sector.
Disciplines :
Quantitative methods in economics & management
Author, co-author :
Walheer, Barnabé  ;  Université de Liège - ULiège > HEC Liège : UER > UER Economie : Microéconométrie et économétrie appliquée
Language :
English
Title :
Global Malmquist and cost Malmquist indexes for group comparison
Publication date :
2022
Journal title :
Journal of Productivity Analysis
ISSN :
0895-562X
eISSN :
1573-0441
Publisher :
Springer
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 17 June 2022

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