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Institution

International Food Policy Research Institute

NonprofitWashington D.C., District of Columbia, United States
About: International Food Policy Research Institute is a nonprofit organization based out in Washington D.C., District of Columbia, United States. It is known for research contribution in the topics: Food security & Agriculture. The organization has 1217 authors who have published 4952 publications receiving 218436 citations.


Papers
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Journal ArticleDOI
TL;DR: In this article, the authors investigated the impact of stone bunds on value of crop production per hectare in low and high rainfall areas of the Ethiopian highlands using cross-sectional data from more than 900 households, with multiple plots per household.

169 citations

Journal ArticleDOI
TL;DR: In this paper, the authors used data from 51 nationwide surveys from low and middle-income countries and graphed mean HAZs and HADs by age to assess changes in height over time (across ages) is uncertain.
Abstract: Growth faltering is usually assessed using height-for-age Z-scores (HAZs), which have been used for comparisons of children of different age and sex composition across populations. Because the SD (denominator) for calculating HAZ increases with age, the usefulness of HAZs to assess changes in height over time (across ages) is uncertain. We posited that population-level changes in height as populations age should be assessed using absolute height-for-age differences (HADs) and not HAZs. We used data from 51 nationwide surveys from low- and middle-income countries and graphed mean HAZs and HADs by age. We also calculated annual changes in HAZs and HADs and percentage of total height deficit accumulated annually from birth to age 60 mo using both approaches. Mean HAZ started at -0.4 Z-scores and dropped dramatically up to 24 mo, after which it stabilized and had no additional deterioration. Mean HAD started at -0.8 cm, with the most pronounced faltering occurring between 6 and 18 mo, similar to HAZ. However, in sharp contrast to HAZ, HAD curves had continued increases in the deficit of linear growth from 18 to 60 mo, with no indication of a leveling off. Globally, 70% of the absolute deficit accumulated in height (HAD) at 60 mo was found to be due to faltering during the first "1000 days" (conception to 24 mo), but 30% was due to continued increases in deficit from age 2 to 5 y. The use of HAZ masks these changes because of age-related changes in SD. Therefore, HAD, rather than HAZ, should be used to describe and compare changes in height as children age because detecting any deficit compared with expected changes in height as children grow is important and only HAD does this accurately at all ages. Our findings support the current global programmatic momentum to focus on the first 1000 d. Research is needed to better understand the dynamics and timing of linear growth faltering using indices and indicators that accurately reflect changes over ages and to identify cost-effective ways to prevent growth faltering and its consequences throughout the lifecycle.

169 citations

Journal ArticleDOI
TL;DR: In the past three decades, Africa's public agricultural research systems have changed in substantive ways as mentioned in this paper, the total number of researchers increased fourfold, the dependency on expatriate researchers significantly declined, while the education levels of national researchers improved.

168 citations

Journal ArticleDOI
TL;DR: In rural economies encumbered by significant market imperfections, farming decisions may partly be motivated by nutritional considerations, in addition to income and risk factors as discussed by the authors, and these imperfectio...
Abstract: In rural economies encumbered by significant market imperfections, farming decisions may partly be motivated by nutritional considerations, in addition to income and risk factors. These imperfectio...

168 citations

Journal ArticleDOI
TL;DR: In this article, the authors investigated the role of spatial integration and transport costs in explaining price changes in Ghana and introduced a model of price formation and market integration that incorporates the price transmission process between local and central markets and also captured the implications for volatility of local prices.

168 citations


Authors

Showing all 1269 results

NameH-indexPapersCitations
Michael B. Zimmermann8343723563
Kenneth H. Brown7935323199
Thomas Reardon7928525458
Marie T. Ruel7730022862
John Hoddinott7535721372
Mark W. Rosegrant7331522194
Agnes R. Quisumbing7231118433
Johan F.M. Swinnen7057020039
Stefan Dercon6925917696
Jikun Huang6943018496
Gregory J. Seymour6638517744
Lawrence Haddad6524324931
Rebecca J. Stoltzfus6122413711
Ravi Kanbur6149819422
Ruth Meinzen-Dick6123713707
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Performance
Metrics
No. of papers from the Institution in previous years
YearPapers
202321
202267
2021351
2020330
2019367
2018272