Nutrition transition and the structure of global food demand
Christophe Gouel () and
Houssein Guimbard ()
No 1631, IFPRI discussion papers from International Food Policy Research Institute (IFPRI)
Estimating future demand for food is a critical aspect of global food security analyses. The process linking dietary changes to wealth is known as the nutrition transition and presents well-identified features that help to predict consumption changes in poor countries. This study proposes to represent the nutrition transition with a nonhomothetic, flexible-in-income, demand system, known as the Modified Implicitly Directly Additive Demand System (MAIDADS). The resulting model is transparent and estimated statistically based on cross-sectional information from FAOSTAT the statistical database of the Food and Agriculture Organization of the United Nations. It captures the main features of the nutrition transition: rise in demand for calories associated with income growth; diversification of diets away from starchy staples; and a large increase in caloric demand for animal-based products, fats, and sweeteners. The estimated model is used to project food demand between 2010 and 2050 based on a set of plausible futures (trend projections and Shared Socioeconomic Pathways scenarios). The main results of these projections are as follows: (1) global food demand will increase by 46 percent, less than half the growth in the previous four decades; (2) this growth will be attributable mainly to lower-middle-income and low-income countries; (3) the structure of global food demand will change over the period, with a 95 percent increase in demand for animal-based calories and a much smaller 18 percent increase in demand for starchy staples; and (4) the analysis of a range of population and income projections reveals important uncertainties depending on the scenario, the projected increases in demand for animal-based and vegetal-based calories range from 78 to 109 percent and from 20 to 42 percent, respectively.
Keywords: food security; demand; nutrition; diet; commodity markets; markets; economic development; prices; population; income; foods, Bennettâ€™s law; food demand; nutrition transition, D12 Consumer Economics: Empirical Analysis; Q11 Agriculture: Aggregate Supply and Demand Analysis, Prices, (search for similar items in EconPapers)
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Journal Article: Nutrition Transition and the Structure of Global Food Demand (2019)
Working Paper: Nutrition Transition and the Structure of Global Food Demand (2019)
Working Paper: Nutrition transition and the structure of global food demand (2017)
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Persistent link: https://EconPapers.repec.org/RePEc:fpr:ifprid:1631
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