The influence of improved wheat and maize varieties on infant mortality in China
The diffusion of high-yielding crop varieties has been a key driver for agricultural productivity. This study examines the relationship between the adoption of high-yielding crop varieties of two staple crops-wheat and maize-and infant mortality in rural China. Using data from 1954 to 1987, we find...
| Autores principales: | , , , , , , , |
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| Formato: | Journal Article |
| Lenguaje: | Inglés |
| Publicado: |
Oxford University Press
2025
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| Materias: | |
| Acceso en línea: | https://hdl.handle.net/10568/179161 |
| _version_ | 1855531785087090688 |
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| author | Wang, Xiaobing Liu, Xinyu Min, Shi Jin, Songqing Huang, Jikun Rozelle, Scott Feng, Jieyuan Boddupalli, Prasanna |
| author_browse | Boddupalli, Prasanna Feng, Jieyuan Huang, Jikun Jin, Songqing Liu, Xinyu Min, Shi Rozelle, Scott Wang, Xiaobing |
| author_facet | Wang, Xiaobing Liu, Xinyu Min, Shi Jin, Songqing Huang, Jikun Rozelle, Scott Feng, Jieyuan Boddupalli, Prasanna |
| author_sort | Wang, Xiaobing |
| collection | Repository of Agricultural Research Outputs (CGSpace) |
| description | The diffusion of high-yielding crop varieties has been a key driver for agricultural productivity. This study examines the relationship between the adoption of high-yielding crop varieties of two staple crops-wheat and maize-and infant mortality in rural China. Using data from 1954 to 1987, we find a significant reduction in infant mortality linked to high-yielding crop varieties diffusion, an association that remains robust even after excluding the Great Famine years. We investigate potential mechanisms driving this relationship, including increased grain production, improved infant nutrition, and changes in maternal characteristics. Additionally, our analysis unveils a spectrum of heterogeneous relationships between high-yielding crop varieties adoption and infant mortality across factors such as infant gender, maternal characteristics, and policy regulation. These findings reaffirm the positive and lasting benefits of dissemination of high-yielding crop varieties for human welfare and provide valuable policy insights for developing nations grappling with food and nutritional insecurity. |
| format | Journal Article |
| id | CGSpace179161 |
| institution | CGIAR Consortium |
| language | Inglés |
| publishDate | 2025 |
| publishDateRange | 2025 |
| publishDateSort | 2025 |
| publisher | Oxford University Press |
| publisherStr | Oxford University Press |
| record_format | dspace |
| spelling | CGSpace1791612025-12-22T02:11:01Z The influence of improved wheat and maize varieties on infant mortality in China Wang, Xiaobing Liu, Xinyu Min, Shi Jin, Songqing Huang, Jikun Rozelle, Scott Feng, Jieyuan Boddupalli, Prasanna wheat maize high-yielding varieties children mortality famine The diffusion of high-yielding crop varieties has been a key driver for agricultural productivity. This study examines the relationship between the adoption of high-yielding crop varieties of two staple crops-wheat and maize-and infant mortality in rural China. Using data from 1954 to 1987, we find a significant reduction in infant mortality linked to high-yielding crop varieties diffusion, an association that remains robust even after excluding the Great Famine years. We investigate potential mechanisms driving this relationship, including increased grain production, improved infant nutrition, and changes in maternal characteristics. Additionally, our analysis unveils a spectrum of heterogeneous relationships between high-yielding crop varieties adoption and infant mortality across factors such as infant gender, maternal characteristics, and policy regulation. These findings reaffirm the positive and lasting benefits of dissemination of high-yielding crop varieties for human welfare and provide valuable policy insights for developing nations grappling with food and nutritional insecurity. 2025-02 2025-12-21T23:19:48Z 2025-12-21T23:19:48Z Journal Article https://hdl.handle.net/10568/179161 en Open Access application/pdf Oxford University Press Wang, X., Liu, X., Min, S., Jin, S., Huang, J., Rozelle, S., Feng, J., & Prasanna, B. M. (2025). The influence of improved wheat and maize varieties on infant mortality in China. PNAS Nexus, 4(2), pgaf048. https://doi.org/10.1093/pnasnexus/pgaf048 |
| spellingShingle | wheat maize high-yielding varieties children mortality famine Wang, Xiaobing Liu, Xinyu Min, Shi Jin, Songqing Huang, Jikun Rozelle, Scott Feng, Jieyuan Boddupalli, Prasanna The influence of improved wheat and maize varieties on infant mortality in China |
| title | The influence of improved wheat and maize varieties on infant mortality in China |
| title_full | The influence of improved wheat and maize varieties on infant mortality in China |
| title_fullStr | The influence of improved wheat and maize varieties on infant mortality in China |
| title_full_unstemmed | The influence of improved wheat and maize varieties on infant mortality in China |
| title_short | The influence of improved wheat and maize varieties on infant mortality in China |
| title_sort | influence of improved wheat and maize varieties on infant mortality in china |
| topic | wheat maize high-yielding varieties children mortality famine |
| url | https://hdl.handle.net/10568/179161 |
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