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GTAP Resource #4985

"The Impact of Water Scarcity on Food, Deforestation and Bioenergy"
by Winchester, Niven, Kirby Ledvina, Kenneth Strzepek and John Reilly

We evaluate the impact of water scarcity on food prices, deforestation and bioenergy production under a global carbon policy. The analysis develops a representation of irrigated land in the MIT Economic Project and Policy Analysis (EPPA) model, a global economy-wide model of energy and food production, land-use change and greenhouse gas emissions. The representation relies on the specification of irrigable land supply curves, which are built on detailed spatial estimates of water availability, and the costs of improving irrigation efficiency and increasing water storage. Simulating the model under a global carbon price, as there are endogenous improvements in irrigation infrastructure, we find that water availability has a small impact on food, deforestation and bioenergy outcomes. We also find that, relative to when irrigated land is not represented, heterogeneity in irrigation responses result in livestock production relocating from more land-intensive regions to less land-intensive regions, which leads to less deforestation.

Resource Details (Export Citation) GTAP Keywords
Category: 2016 Conference Paper
Status: Published
By/In: Presented at the 19th Annual Conference on Global Economic Analysis, Washington DC, USA
Date: 2016
Created: Winchester, N. (4/15/2016)
Updated: Winchester, N. (6/10/2016)
Visits: 1,510
- Renewable energy
- Climate change policy
- Land use
- Water availability

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