Economywide impacts of climate change on agriculture in Sub-Saharan Africa
Two possible adaptation scenarios to climate change for Sub-Saharan Africa are analyzed under the SRES B2 scenario. The first scenario doubles the irrigated area in Sub-Saharan Africa by 2050, compared to the baseline, but keeps total crop area constant. The second scenario increases both rainfed and irrigated crop yields by 25% for all Sub-Saharan African countries. The two adaptation scenarios are analyzed with IMPACT, a partial equilibrium agricultural sector model combined with a water simulation module, and with GTAP-W, a general equilibrium model including water resources. The methodology combines the advantages of a partial equilibrium approach, which considers detailed water-agriculture linkages, with a general equilibrium approach, which takes into account linkages between agriculture and nonagricultural sectors and includes a full treatment of factor markets. The efficacy of the two scenarios as adaptation measures to cope with climate change is discussed. Due to the limited initial irrigated area in the region, an increase in agricultural productivity achieves better outcomes than an expansion of irrigated area. Even though Sub-Saharan Africa is not a key contributor to global food production (rainfed, irrigated or total), both scenarios help lower world food prices, stimulating national and international food markets.
If you experience problems downloading a file, check if you have the proper application to view it first. In case of further problems read the IDEAS help page. Note that these files are not on the IDEAS site. Please be patient as the files may be large.
As the access to this document is restricted, you may want to look for a different version under "Related research" (further below) or search for a different version of it.
References listed on IDEAS
Please report citation or reference errors to , or , if you are the registered author of the cited work, log in to your RePEc Author Service profile, click on "citations" and make appropriate adjustments.:
- Burniaux, Jean-Marc & Truong Truong, 2002. "GTAP-E: An Energy-Environmental Version of the GTAP Model," GTAP Technical Papers 923, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University.
- Paavola, Jouni & Adger, W. Neil, 2006. "Fair adaptation to climate change," Ecological Economics, Elsevier, vol. 56(4), pages 594-609, April.
- Molden, David, 2007. "Water for food, water for life: a comprehensive assessment of water management in agriculture: summary," IWMI Books, Reports H039769, International Water Management Institute.
- Molden, David, 2007. "Water for food, water for life: a comprehensive assessment of water management in agriculture: summary. In Arabic," IWMI Books, Reports H041261, International Water Management Institute.
- Alvaro Calzadilla & Katrin Rehdanz & Richard S.J. Tol, 2008.
"Water Scarcity And The Impact Of Improved Irrigation Management: A Cge Analysis,"
FNU-160, Research unit Sustainability and Global Change, Hamburg University, revised Apr 2008.
- Calzadilla, Alvaro & Rehdanz, Katrin & Tol, Richard S. J., 2008. "Water scarcity and the impact of improved irrigation management: a CGE analysis," Kiel Working Papers 1436, Kiel Institute for the World Economy (IfW).
- Alvaro Calzadilla & Katrin Rehdanz & Richard S.J. Tol, 2008. "Water scarcity and the impact of improved irrigation management: A CGE analysis," Kiel Working Papers 1436, Kiel Institute for the World Economy.
- Anthony Letsoalo & James Blignaut & Theuns de Wet & Martin de Wit & Sebastiaan Hess & Richard S.J. Tol & Jan van Heerden, 2005. "Triple Dividends Of Water Consumption Charges In South Africa," Working Papers FNU-62, Research unit Sustainability and Global Change, Hamburg University, revised Apr 2005.
- Inocencio, Arlene & Kikuchi, Masao & Tonosaki, Manabu & Maruyama, Atsushi & Merrey, Douglas & Sally, Hilmy & de Jong, Ijsbrand, 2007. "Costs and performance of irrigation projects: A comparison of Sub-Saharan Africa and other developing regions," IWMI Research Reports H036214, International Water Management Institute.
- Michael Johnson & Peter Hazell & Ashok Gulati, 2003. "The Role of Intermediate Factor Markets in Asia's Green Revolution: Lessons for Africa?," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 85(5), pages 1211-1216.
- McKibbin, W.J. & Wilcoxen, P.J., 1995.
"The Theoretical and Empirical Structure of the G-Cubed Model,"
118, Brookings Institution - Working Papers.
- McKibbin, Warwick J. & Wilcoxen, Peter J., 1998. "The theoretical and empirical structure of the G-Cubed model," Economic Modelling, Elsevier, vol. 16(1), pages 123-148, January.
- W. J. McKibbin & P. J. Wilcoxen, . "The Theoretical and Empirical Structure of the G-Cubed Model," Discussion Papers 118, Brookings Institution International Economics.
- Hertel, Thomas, 1997. "Global Trade Analysis: Modeling and applications," GTAP Books, Center for Global Trade Analysis, Department of Agricultural Economics, Purdue University, number 7685, November.
- Scott McDonald & Sherman Robinson & Karen Thierfelder, 2005. "A SAM Based Global CGE Model using GTAP Data January 2005," Working Papers 2005001, The University of Sheffield, Department of Economics, revised Jan 2005.
- Molden, David, 2007. "Water for food, water for life: a comprehensive assessment of water management in agriculture: summary. In Russian," IWMI Books, Reports H041260, International Water Management Institute.
- Maria Berrittella & Katrin Rehdanz & Arjen Y. Hoekstra & Roberto Roson & Richard S.J. Tol, 2006. "The Economic Impact Of Restricted Water Supply: A Computable General Equilibrium Analysis," Working Papers FNU-93, Research unit Sustainability and Global Change, Hamburg University, revised Jul 2006.
- Smith, Lisa C. & Haddad, Lawrence James, 2000. "Overcoming child malnutrition in developing countries: past achievements and future choices," 2020 vision discussion papers 30, International Food Policy Research Institute (IFPRI).
When requesting a correction, please mention this item's handle: RePEc:eee:ecolec:v:93:y:2013:i:c:p:150-165. See general information about how to correct material in RePEc.
For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: (Shamier, Wendy)
If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.
If references are entirely missing, you can add them using this form.
If the full references list an item that is present in RePEc, but the system did not link to it, you can help with this form.
If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your profile, as there may be some citations waiting for confirmation.
Please note that corrections may take a couple of weeks to filter through the various RePEc services.