Modelling CAP Decoupling in the EU: A Comparison of Selected Simulation Models and Results

Oliver Balkhausen, Martin Banse and Harald Grethe

Journal of Agricultural Economics, 2008, vol. 59, issue 1, pages 57-71

Abstract: This article reviews ways of representing the effects of decoupling in the European Union (EU) on land allocation and production in eight selected simulation models (AGLINK, AG-MEMOD, CAPRI, CAPSIM, ESIM, FAPRI, GOAL and GTAP). It then compares the simulated effects of decoupling and traces them back to the model specifications and parameter assumptions. In particular, roughage is not included in most models, so that changes in ruminant production are not necessarily consistent with the changes in fodder area. Models also differ in the extent to which they reflect the substitution possibilities in ruminant feeds. Copyright 2007 The Authors. Journal compilation 2007 The Agricultural Economics Society.

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