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Access, adoption, and diffusion: understanding the long-term impacts of improved vegetable and fish technologies in Bangladesh
Neha Kumar,Agnes R. Quisumbing +1 more
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In this paper, the authors assess the long-term impacts of early adoption of vegetable and polyculture fish production technologies on household and individual well-being in Bangladesh, using nearest-neighbour matching to construct a statistical comparison group.Abstract:
This paper assesses long-term impacts of early adoption of vegetable and polyculture fish production technologies on household and individual well-being in Bangladesh. In 1996–1997 and 2006–2007, a panel of households were surveyed in three sites where non-governmental organisations and extension programmes disseminated agricultural technologies. Using nearest-neighbour matching to construct a statistical comparison group, the authors find that long-term impacts differ across agricultural technology interventions and across outcomes. Long-term impacts on household-level consumption expenditures and asset accumulation are, in general, insignificant in the improved vegetables sites, but are positive and significant in the individually operated fish ponds sites. However, the impacts on individual nutrient intake, nutrient adequacy, and nutritional status do not follow the pattern of household-level impacts. Differences in long-term and short-term impacts arise from several causes: differences in disseminatio...read more
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Analyzing Nutritional Impacts of Policies: An Empirical Study for Malawi
Olivier Ecker,Matin Qaim +1 more
TL;DR: In this paper, the authors use representative household data from Malawi and develop a demand systems approach to estimate income and price elasticities of food demand and nutrient consumption. And they show that given multiple nutritional deficiencies, income-related policies are better suited than price policies to improve nutrition.
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The Effects of Household Food Production Strategies on the Health and Nutrition Outcomes of Women and Young Children: A Systematic Review
TL;DR: The evidence base for the potential of agricultural strategies to improve the nutrition and health of women and young children is largely grounded in a limited number of highly heterogeneous, quasi-experimental studies, most of which have significant methodological limitations.
Journal ArticleDOI
Old Problems in the New Solutions? Politically Motivated Allocation of Program Benefits and the “New” Fertilizer Subsidies
TL;DR: In this paper, the authors analyzed whether politics affected voucher allocations in Ghana's 2008 fertilizer subsidy program and found that more vouchers were targeted to districts that the ruling party had lost in the previous presidential elections and more so in districts that had been lost by a higher percentage margin.
Journal ArticleDOI
Migratory Responses to Agricultural Risk in Northern Nigeria
TL;DR: In this article, the extent that Nigerian households engage in internal migration to ensure against ex ante and ex post agricultural risk due to weather-related variability and shocks was investigated, finding that males migrate in response to ex ante risk by sending males to migrate.
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Women’s empowerment and nutrition: An evidence review
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References
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Journal ArticleDOI
Matching As An Econometric Evaluation Estimator: Evidence from Evaluating a Job Training Programme
TL;DR: This paper decompose the conventional measure of evaluation bias into several components and find that bias due to selection on unobservables, commonly called selection bias in econometrics, is empirically less important than other components, although it is still a sizeable fraction of the estimated programme impact.
Journal ArticleDOI
Matching As An Econometric Evaluation Estimator
TL;DR: In this article, a rigorous distribution theory for kernel-based matching is presented, and the method of matching is extended to more general conditions than the ones assumed in the statistical literature on the topic.
The people's republic of bangladesh
TL;DR: International Fund for Agricultural Development Via Paolo di Dono, 44 00142 Rome, Italy Tel: +39 06 54591 Fax:+39 06 5043463 E-mail: evaluation@ifad.org www.ifad-un.blogspot.com www.facebook.com/ifadnews www.twitter as discussed by the authors www.youtube.com
Journal ArticleDOI
Implementing matching estimators for average treatment effects in Stata
TL;DR: In this article, the authors present an implementation of matching estimators for average treatment effects in Stata, which allows to estimate the average effect for all units or only for the treated or control units; to choose the number of matches; specify the distance metric; select a bias adjustment; and to use heteroskedastic robust variance estimators.
Journal ArticleDOI
Effect of a nutrition intervention during early childhood on economic productivity in Guatemalan adults
TL;DR: Exposure to atole before, but not after, age 3 years was associated with higher hourly wages, but only for men, which suggests that investments in early childhood nutrition can be long-term drivers of economic growth.
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