Green Light for Green Agricultural Policies? An Analysis at Regional and Global Scales

Janine Pelikan, Wolfgang Britz and Thomas Hertel

Journal of Agricultural Economics, 2015, vol. 66, issue 1, 1-19

Abstract: type="main" xml:id="jage12065-abs-0001">

This paper analyses the effects of introducing biodiversity-targeted ecological focus area (EFA) requirements on all farms with arable land in the EU by quantifying their global, regional, economic and environmental impacts in a mutually consistent way. To capture these impacts, different spatial scales need to be considered – ranging from on-farm decisions regarding the EFA in the EU, to supply response around the world. In order to address this challenge, we combine the supply side of the CAPRI model, which offers high spatial, farm and policy resolution in the EU, with the GTAP model of global trade and land use. Both models are linked through a multi-product, restricted-revenue function for the EU crop sector. The results predict improved environmental status in the high-yielding regions of the EU. However, output price increases lead to intensification in the more marginal areas of the EU where little or no additional land is taken out of production. The decrease in arable land in the EU is partially compensated by an increase of crop land, as well as increased fertiliser applications, in other regions of the globe. Thus, the improvement of environmental status in the EU comes at the price of global intensification, as well as the loss of forest and grassland areas outside the EU. Overall, we find that every hectare of land that is taken out of production in the EU increases greenhouse gas emissions in the rest of the world by 20.8 tonnes CO 2 equivalent.

Date: 2015
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Working Paper: Green Light for Green Agricultural Policies? An Analysis at Regional and Global Scales (2013)
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