Abstract

This article presents a new indicator of water resources by taking into account hydrological, agronomic and climatic variables at a very disaggregated spatial scale. This indicator is then used to estimate the water trade elasticity of agricultural goods to determine change in the comparative advantages of nations in the wake of climate change around the year 2050. We find small impact in general, in part due to the capability to relocate the agricultural production within country. However in each country, dramatic changes in the comparative advantage of particular crops are observed.

Co-authors : C. Regnacq (BRGM) and J. Schlick(UPPA)

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