An Inter-Country Comparison of Agricultural Productivity with Intertemporal DEA

Natalia Aldaz and Joaquín Millán

No 2002/09, Efficiency Series Papers from University of Oviedo, Department of Economics, Oviedo Efficiency Group (OEG)

Abstract: This paper is concerned with the estimation of productivity and technical progress based on DEA applied to complete panel data (intertemporal-DEA). Instead of assuming unchanged technology, productivity measure in intertemporal-DEA encompasses a wide variety of alternative specifications on technical change and efficiency levels. Patterns of productivity change and the decomposition into efficiency and technical change elements can be accomplished by means of restrictions on the general structure of the distances in intertemporal-DEA. The assumption here is that the technology level in period t for each country is the maximum productivity index obtained until this period. Deviation from the maximum technology level in period t is measured as inefficiency. The methodology is applied to the analysis of agricultural productivity in the European Union countries.

Keywords: productivity; technical progress; intertemporal DEA; inefficiency; agriculture (search for similar items in EconPapers)
Pages: 31
Date: 2002
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Persistent link: https://EconPapers.repec.org/RePEc:oeg:wpaper:2002/09

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