The International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT): Model Description for Version 3

128 Pages Posted: 5 Mar 2016

See all articles by Sherman Robinson

Sherman Robinson

International Food Policy Research Institute (IFPRI)

Daniel Mason-D'Croz

International Food Policy Research Institute (IFPRI)

Timothy Sulser

International Food Policy Research Institute (IFPRI)

Shahnila Islam

International Food Policy Research Institute (IFPRI)

Ricky Robertson

International Food Policy Research Institute (IFPRI)

Tingju Zhu

International Food Policy Research Institute (IFPRI)

Arthur Gueneau

ENGIE

Gauthier Pitois

International Food Policy Research Institute (IFPRI)

Mark W. Rosegrant

International Food Policy Research Institute (IFPRI)

Date Written: November 26, 2015

Abstract

The International Food Policy Research Institute’s International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT) supports analysis of long-term challenges and opportunities for food, agriculture, and natural resources at global and regional scales. IMPACT is continually being updated and improved to better inform the choices that decisionmakers face today. This document describes the latest version of the model. IMPACT version 3 expands the geographic and commodity scope of the model in response to desires expressed by researchers and policymakers to address more complex questions involving climate change, food security, and economic development into the future. IMPACT 3 is an integrated modeling system that links information from climate models (Earth System Models), crop simulation models (for example, Decision Support System for Agrotechnology Transfer), and water models linked to a core global, partial equilibrium, multimarket model focused on the agriculture sector. This model system supports longer-term scenario analysis through the integration of these multidisciplinary modules to provide researchers and policymakers with a flexible tool to assess and compare the potential effects of changes in biophysical systems, socioeconomic trends, technologies, and policies.

Keywords: mathematical models; simulation models; agriculture; international trade; food security; climate change; markets; welfare; hydrology; water use; water management; drought stress; International Model for Policy Analysis of Agricultural Commodities and Trade IMPACT model; scenario analysis; multi-mark

Suggested Citation

Robinson, Sherman and Mason-D'Croz, Daniel and Sulser, Timothy and Islam, Shahnila and Robertson, Ricky and Zhu, Tingju and Gueneau, Arthur and Pitois, Gauthier and Rosegrant, Mark W., The International Model for Policy Analysis of Agricultural Commodities and Trade (IMPACT): Model Description for Version 3 (November 26, 2015). IFPRI Discussion Paper 1483, Available at SSRN: https://ssrn.com/abstract=2741234 or http://dx.doi.org/10.2139/ssrn.2741234

Sherman Robinson (Contact Author)

International Food Policy Research Institute (IFPRI) ( email )

1201 Eye St, NW,
Washington, DC 20005
United States

Daniel Mason-D'Croz

International Food Policy Research Institute (IFPRI) ( email )

1201 Eye St, NW,
Washington, DC 20005
United States

Timothy Sulser

International Food Policy Research Institute (IFPRI) ( email )

1201 Eye St, NW,
Washington, DC 20005
United States

Shahnila Islam

International Food Policy Research Institute (IFPRI) ( email )

1201 Eye St, NW,
Washington, DC 20005
United States
202-862-5600 (Phone)
202-467-4439 (Fax)

HOME PAGE: http://www.ifpri.org/

Ricky Robertson

International Food Policy Research Institute (IFPRI) ( email )

1201 Eye St, NW,
Washington, DC 20005
United States

Tingju Zhu

International Food Policy Research Institute (IFPRI) ( email )

1201 Eye St, NW,
Washington, DC 20005
United States

Arthur Gueneau

ENGIE ( email )

Tour T1 – 1 place Samuel de Champlain
Faubourg de l’Arche
Paris La Défense cedex, 92930
France

HOME PAGE: http://www.engie.com

Gauthier Pitois

International Food Policy Research Institute (IFPRI) ( email )

1201 Eye St, NW,
Washington, DC 20005
United States
+1 202-862-5600 (Phone)
+1 202-467-4439 (Fax)

HOME PAGE: http://www.ifpri.org/

Mark W. Rosegrant

International Food Policy Research Institute (IFPRI) ( email )

1201 Eye St, NW,
Washington, DC 20005
United States

HOME PAGE: http://www.ifpri.org/srstaff/rosegram.htm

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