Calorie and Nutrient Consumption as a Function of Income: A Cross-Country Analysis

Salois, Matthew and Tiffin, Richard and Balcombe, Kelvin (2010): Calorie and Nutrient Consumption as a Function of Income: A Cross-Country Analysis.

Abstract

The relationship between calorie and nutrient (fat, protein, and carbohydrates) intake as a function of income is explored using data for 171 countries over two time periods 1990-1992 and 2003-2005. Three types of analysis are employed: i) nonparametric, ii) panel regressions, and iii) quantile regressions. Engle curves for calories, fat, and protein are approximately linear in logs with carbohydrate intakes exhibiting diminishing elasticities as incomes increase, becoming negative around $US7500 and above. Other nutrient and calorie elasticity estimates are positive statistically significant. Elasticities range from 0.10 to 0.25, with fat having the highest elasticities. The estimated elasticities for the quantile regressions are similar across the 0.25, 0.50 and 0.75 quantiles, but with moderate evidence that countries in the higher quantiles have lower elasticities than those in the lower quantiles. There has been a small but significant shift in the elasticities across the two periods.

• Item Type: MPRA Paper
• Language: English
• Keywords: Calorie and Nutrient Consumption, Food and Nutrition Policies; Income Elasticities; Nonparametric Regression; Panel Data; Quantile Regression.
• Subjects: O - Economic Development, Innovation, Technological Change, and Growth > O1 - Economic Development > O11 - Macroeconomic Analyses of Economic Development; C - Mathematical and Quantitative Methods > C1 - Econometric and Statistical Methods and Methodology: General > C14 - Semiparametric and Nonparametric Methods: General; O - Economic Development, Innovation, Technological Change, and Growth > O1 - Economic Development > O10 - General; C - Mathematical and Quantitative Methods > C2 - Single Equation Models ; Single Variables > C23 - Panel Data Models ; Spatio-temporal Models; C - Mathematical and Quantitative Methods > C2 - Single Equation Models ; Single Variables > C21 - Cross-Sectional Models ; Spatial Models ; Treatment Effect Models ; Quantile Regressions; C - Mathematical and Quantitative Methods > C1 - Econometric and Statistical Methods and Methodology: General > C11 - Bayesian Analysis: General; Q - Agricultural and Natural Resource Economics ; Environmental and Ecological Economics > Q1 - Agriculture > Q18 - Agricultural Policy ; Food Policy

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