Cost and productivity
Grifell-Tatjé, Emili (Universitat Autònoma de Barcelona. Departament d'Economia de l'Empresa)
Lovell, C. A. Knox (University of Georgia. Department of Economics)
Data: |
2000 |
Resum: |
We develop an analytical model capable of decomposing both intertemporal and multilateral cost variation. We begin by attributing cost variation to a price effect and a quantity effect. We then decompose the quantity effect into a productivity effect and an activity effect. The productivity effect in turn decomposes into a cost efficiency effect and, in the intertemporal context, a technical change effect. We also show how the intertemporal and multilateral cost decompositions can be implemented, using linear programming techniques. These techniques offer certain advantages over conventional econometric techniques whenever a substantial portion of cost variation is due to variation in cost efficiency. We illustrate the two cost decompositions with a pair of benchmarking exercises based on a panel of 93 US electric power generating companies, in which variation in cost efficiency does play a key role. |
Drets: |
Tots els drets reservats. |
Llengua: |
Anglès |
Document: |
Article ; recerca ; Versió acceptada per publicar |
Matèria: |
Cost ;
Productivity ;
Benchmarking ;
Electricity generation |
Publicat a: |
Managerial and decision economics, Vol. 21 Núm. 1 (2000) , p. 19-30, ISSN 0143-6570 |
DOI: 10.1002/1099-1468(200001/02)21:1<19::AID-MDE962>3.0.CO;2-7
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