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Decomposition of changes in the consumption of macronutrients in Vietnam between 2004 and 2014

Author

Listed:
  • Huong Thi Trinh

    (Institute of Research and Development - DTU - Duy Tan University, International Center for Tropical Agriculture)

  • Michel Simioni

    (UMR MOISA - Marchés, Organisations, Institutions et Stratégies d'Acteurs - Cirad - Centre de Coopération Internationale en Recherche Agronomique pour le Développement - INRA - Institut National de la Recherche Agronomique - Montpellier SupAgro - Centre international d'études supérieures en sciences agronomiques - CIHEAM-IAMM - Centre International de Hautes Etudes Agronomiques Méditerranéennes - Institut Agronomique Méditerranéen de Montpellier - CIHEAM - Centre International de Hautes Études Agronomiques Méditerranéennes - Montpellier SupAgro - Institut national d’études supérieures agronomiques de Montpellier, IREEDS - Institute of Research in Economics, Environment and Data Science)

  • Christine Thomas-Agnan

    (TSE-R - Toulouse School of Economics - UT Capitole - Université Toulouse Capitole - Comue de Toulouse - Communauté d'universités et établissements de Toulouse - EHESS - École des hautes études en sciences sociales - CNRS - Centre National de la Recherche Scientifique - INRAE - Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement)

Abstract

This method decomposes the between-year change in various indicators related to the outcome distribution (mean, median, quantiles…) into the effect due to between-year change in the conditional distribution of the outcome given sociodemographic characteristics, or "structure effect", and the effect due to the differences in sociodemographic characteristics across years, or "composition effect". In turn, this last effect is decomposed into direct contributions of each sociodemographic characteristics and effects of their interactions. The composition effect, always positive, generally outweighs the structure effect when considering the between-year changes in distributions of per capita calorie intake or calorie intake coming from protein or fat. The effects of changes in the composition of the Vietnamese population thus overcome the effects of changes in preferences of the same population. This finding is reversed in the case of carbohydrates. Food expenditure and household size appear to be the main contributors to the composition effect. The positive effects of these two variables explain well most of the between-year shifts observed in the calorie intake distributions. Urbanization and level of education contribute negatively to the composition effect, with the noticeable exception of fat where the effect of urbanization is positive. But these two variables effects are negligible compared to those of food expenditure and household size.

Suggested Citation

  • Huong Thi Trinh & Michel Simioni & Christine Thomas-Agnan, 2018. "Decomposition of changes in the consumption of macronutrients in Vietnam between 2004 and 2014," Post-Print hal-02621238, HAL.
    • Handle: RePEc:hal:journl:hal-02621238
    DOI: 10.1016/j.ehb.2018.09.002
    Note: View the original document on HAL open archive server: https://hal.inrae.fr/hal-02621238v1
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    Cited by:

    1. Huong Thi Trinh & Vincent Linderhof & Vy Thao Vuong & Erin E. Esaryk & Martin Heller & Youri Dijkxhoorn & Trang Mai Nguyen & Tuyen Thi Thanh Huynh & Ricardo Hernandez & Thanh Thi Duong & Van Thi Luu &, 2021. "Diets, Food Choices and Environmental Impacts across an Urban-Rural Interface in Northern Vietnam," Agriculture, MDPI, vol. 11(2), pages 1-20, February.

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    JEL classification:

    • C02 - Mathematical and Quantitative Methods - - General - - - Mathematical Economics
    • C21 - Mathematical and Quantitative Methods - - Single Equation Models; Single Variables - - - Cross-Sectional Models; Spatial Models; Treatment Effect Models
    • C51 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Model Construction and Estimation
    • P46 - Political Economy and Comparative Economic Systems - - Other Economic Systems - - - Consumer Economics; Health; Education and Training; Welfare, Income, Wealth, and Poverty

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