Impact of Income on Nutrient Intakes: Implications for Undernourishment and Obesity

The relationship between income and nutrient intake is explored. Nonparametric, panel, and quantile regressions are used. Engle curves for calories, fat, and protein are approximately linear in logs with carbohydrate intakes exhibiting diminishing elasticities as incomes increase. Elasticities range...

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Bibliographic Details
Published in:The Journal of development studies 2012-12, Vol.48 (12), p.1716-1730
Main Authors: Salois, Matthew J., Tiffin, Richard, Balcombe, Kelvin G.
Format: Article
Language:English
Subjects:
Antipoverty Programs
Carbohydrates
Consumption
Consumption theory
Development studies
Economic Development
Economic growth
Economic Problems
Income
Malnutrition
Obesity
Poverty
Poverty alleviation
Proteins
Regression analysis
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Summary:The relationship between income and nutrient intake is explored. Nonparametric, panel, and quantile regressions are used. Engle curves for calories, fat, and protein are approximately linear in logs with carbohydrate intakes exhibiting diminishing elasticities as incomes increase. Elasticities range from 0.10 to 0.25, with fat having the highest elasticities. Countries in higher quantiles have lower elasticities than those in lower quantiles. Results predict significant cumulative increases in calorie consumption which are increasingly composed of fats. Though policies aimed at poverty alleviation and economic growth may assuage hunger and malnutrition, they may also exacerbate problems associated with obesity.
ISSN:0022-0388
1743-9140
DOI:10.1080/00220388.2012.658376