Improvement of technical efficiency of firm groups

Louisa Andriamasy (), Walter Briec () and Stéphane Mussard
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Louisa Andriamasy: CAEPEM - Centre d'Analyse de l'Efficience et de la Performance en Economie et Management - UPVD - Université de Perpignan Via Domitia
Walter Briec: CAEPEM - Centre d'Analyse de l'Efficience et de la Performance en Economie et Management - UPVD - Université de Perpignan Via Domitia

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Abstract: Cooperation between firms can never improve the technical efficiency of any coalition of firms. This standard result of the productivity measurement literature is based on the directional distance function computed on firm groups. Directional distance functions are usually defined on the standard sum of input/output vectors. In this paper, the aggregation of input/output vectors is generalized thanks to an isomorphism in order to capture three results: the cooperation improves technical efficiency ; the cooperation reduces technical efficiency ; and finally the cooperation between firms yields no variation of technical efficiency, i.e. , the distance function is quasi linear. The improvement of technical efficiency is shown to be compatible with semilattice technologies. In this case, the firms merge according to their inputs only because constraints are imposed on outputs, and conversely, they may merge according to the outputs they can produce because some limitations are imposed on the use of inputs.

Keywords: Technical efficiency; Productivity; Aggregation; Cooperative games; Distance functions (search for similar items in EconPapers)
Date: 2016-01
Note: View the original document on HAL open archive server: https://hal.science/hal-01784209v1
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Related works:
Journal Article: Improvement of technical efficiency of firm groups (2020)
Working Paper: Improvement of Technical Efficiency of Firm Groups (2019)
Working Paper: Improvement of Technical Efficiency of Firm Groups (2016)
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