Does Measurement Error Explain a Paradox About Household Size and Food Demand? Evidence from Variation in Household Survey Methods
Several recent papers report a puzzling pattern of food demand falling as household size rises at constant per capita expenditure, especially in poorer countries. This pattern is contrary to a widely used model of scale economics. This paper exploits within-country differences in household survey methods and interviewer practices to provide a measurement error interpretation of this puzzle. A comparison of household surveys in Cambodia and Indonesia with the results from Monte Carlo experiments suggest that food expenditure estimates from shorter, less detailed recall surveys have measurement errors that are correlated with household size. These correlated measurement errors contribute to the negative effect of household size on food demand and cause upward bias in Engel estimates of household scale economies.
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- Li Gan & Victoria Vernon, 2003. "Testing the Barten Model of Economies of Scale in Household Consumption: Toward Resolving a Paradox of Deaton and Paxson," Journal of Political Economy, University of Chicago Press, vol. 111(6), pages 1361-1377, December.
- Gardes, F. & Starzec, C., 2000. "Economies of Scale and Food Consumption : a Reappraisal of the Deaton-Paxson Paradox," Papiers d'Economie MathÃ©matique et Applications 2000.08, UniversitÃ© PanthÃ©on-Sorbonne (Paris 1). Full references (including those not matched with items on IDEAS)
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