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Impact of Improved Maize Varieties on Food Security in Eastern Zambia: a doubly robust analysis

J. Manda, C. Gardebroek, E. Kuntashula and A.D. Alene

No 277004, 2018 Conference, July 28-August 2, 2018, Vancouver, British Columbia from International Association of Agricultural Economists

Abstract: This study investigates the impact of improved maize varieties on household food security in eastern Zambia using household survey data from a sample of over 800 rural households. Since treatment effect estimates are often prone to misspecification in either the treatment or outcome equation, we use the doubly robust inverse probability weighted regression adjustment method, complemented with propensity score matching on six different food security measures to obtain reliable impact estimates. Generally, we find a positive impact of improved maize adoption on food security across the two econometric approaches. Maize, being the most important food staple in Zambia has a great bearing on the food security status of farm households. It is therefore imperative that a conducive environment is created that promotes the adoption of maize yield improving technologies Acknowledgement : The authors gratefully acknowledge financial support from USAID/Zambia. The household survey was conducted in collaboration with the Ministry of Agriculture and Livestock of Zambia and the Zambia Agricultural Research Institute (ZARI). We thank Bernadette Chimai of the University of Zambia who ably supervised the data collection process.

Keywords: Food; Security; and; Poverty (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-agr and nep-dev
Date: 2018-07
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Persistent link: https://EconPapers.repec.org/RePEc:ags:iaae18:277004

DOI: 10.22004/ag.econ.277004

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