Food security outcomes in agricultural systems models: Case examples and priority information needs
Analyses of food security with agricultural systems models often focus on indicators of food availability, with limited treatment of the other three dimensions: food access, stability and utilization. We illustrate how three indicators of access (food consumption expenditures, a food insecurity scal...
| Autores principales: | , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Elsevier
2021
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/110945 |
| _version_ | 1855522415845572608 |
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| author | Nicholson, Charles F. Stephens, Emma C. Kopainsky, Birgit Thornton, Philip K. Jones, Andrew D. Parsons, David Garrett, James |
| author_browse | Garrett, James Jones, Andrew D. Kopainsky, Birgit Nicholson, Charles F. Parsons, David Stephens, Emma C. Thornton, Philip K. |
| author_facet | Nicholson, Charles F. Stephens, Emma C. Kopainsky, Birgit Thornton, Philip K. Jones, Andrew D. Parsons, David Garrett, James |
| author_sort | Nicholson, Charles F. |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | Analyses of food security with agricultural systems models often focus on indicators of food availability, with limited treatment of the other three dimensions: food access, stability and utilization. We illustrate how three indicators of access (food consumption expenditures, a food insecurity scale and dietary diversity) and their stability can be incorporated into a dynamic household-level model of a maize-based production system in the Kenya highlands and a dynamic regional model of sheep production and marketing in Mexico. Although stylized due to limits on empirical evidence, the analyses suggest that inclusion of multiple access indicators can provide insights because the indicators respond differently to production shocks, demand growth and programs providing production subsidies. We also illustrate how to examine stability of food security outcomes in response to shocks using metrics of hardness (ability to withstand shocks) and elasticity (ability to return to previous conditions). The data required for more widespread empirical implementation of these methods include measurement—preferably at frequent intervals over time—of food access indicators, but also their determinants and linkages to outcomes in agricultural systems models. Analyses of food access and stability will be most valuable for assessments of food security impacts of climate change, when food systems are undergoing transformative change and to identify priority interventions and target audiences. |
| format | Journal Article |
| id | CGSpace110945 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2021 |
| publishDateRange | 2021 |
| publishDateSort | 2021 |
| publisher | Elsevier |
| publisherStr | Elsevier |
| record_format | dspace |
| spelling | CGSpace1109452025-11-12T04:26:49Z Food security outcomes in agricultural systems models: Case examples and priority information needs Nicholson, Charles F. Stephens, Emma C. Kopainsky, Birgit Thornton, Philip K. Jones, Andrew D. Parsons, David Garrett, James food security farming systems food access stability seguridad alimentaria sistemas de explotación acceso a los alimentos Analyses of food security with agricultural systems models often focus on indicators of food availability, with limited treatment of the other three dimensions: food access, stability and utilization. We illustrate how three indicators of access (food consumption expenditures, a food insecurity scale and dietary diversity) and their stability can be incorporated into a dynamic household-level model of a maize-based production system in the Kenya highlands and a dynamic regional model of sheep production and marketing in Mexico. Although stylized due to limits on empirical evidence, the analyses suggest that inclusion of multiple access indicators can provide insights because the indicators respond differently to production shocks, demand growth and programs providing production subsidies. We also illustrate how to examine stability of food security outcomes in response to shocks using metrics of hardness (ability to withstand shocks) and elasticity (ability to return to previous conditions). The data required for more widespread empirical implementation of these methods include measurement—preferably at frequent intervals over time—of food access indicators, but also their determinants and linkages to outcomes in agricultural systems models. Analyses of food access and stability will be most valuable for assessments of food security impacts of climate change, when food systems are undergoing transformative change and to identify priority interventions and target audiences. 2021-03 2021-01-22T16:07:38Z 2021-01-22T16:07:38Z Journal Article https://hdl.handle.net/10568/110945 en Open Access application/pdf Elsevier Nicholson, C.F.; Stephens, E.C.; Kopainsky, B.; Thornton, P.K.; Jones, A.D.; Parsons, D.; Garrett, J. (2021) Food security outcomes in agricultural systems models: Case examples and priority information needs. Agricultural Systems 188: 103030 ISSN: 0308-521X |
| spellingShingle | food security farming systems food access stability seguridad alimentaria sistemas de explotación acceso a los alimentos Nicholson, Charles F. Stephens, Emma C. Kopainsky, Birgit Thornton, Philip K. Jones, Andrew D. Parsons, David Garrett, James Food security outcomes in agricultural systems models: Case examples and priority information needs |
| title | Food security outcomes in agricultural systems models: Case examples and priority information needs |
| title_full | Food security outcomes in agricultural systems models: Case examples and priority information needs |
| title_fullStr | Food security outcomes in agricultural systems models: Case examples and priority information needs |
| title_full_unstemmed | Food security outcomes in agricultural systems models: Case examples and priority information needs |
| title_short | Food security outcomes in agricultural systems models: Case examples and priority information needs |
| title_sort | food security outcomes in agricultural systems models case examples and priority information needs |
| topic | food security farming systems food access stability seguridad alimentaria sistemas de explotación acceso a los alimentos |
| url | https://hdl.handle.net/10568/110945 |
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