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Food Demand Elasticities, Price Changes and Calorie Availability of Households in the Western Province of Sri Lanka

Author

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  • Nirmali, S.A.N
  • Edirisinghe, J.C

Abstract

This study aimed to investigate the responsiveness of household demand in Western Province for rice (samba), dhal, bread, chicken, coconut, milk powder and sugar. The research finds demand for these foods with the changes in price and expenditure using the linear approximation of the strict Almost Ideal Demand System (LA/AIDS) estimated using the Seemingly Unrelated Regression Procedure (SURE). The data used were from the household income and expenditure survey, 2006/07. All food items were found to be price inelastic while they had a positive expenditure elasticity which is less than unity except bread. Simulations show that the calorie availability of the household declines with most of the food products and in the light of expected food price increases in the world; this will have a marked impact on food security and nutrition security of households in the Western Province.

Suggested Citation

  • Nirmali, S.A.N & Edirisinghe, J.C, 2010. "Food Demand Elasticities, Price Changes and Calorie Availability of Households in the Western Province of Sri Lanka," Sri Lankan Journal of Agricultural Economics, Sri Lanka Agricultural Economics Association (SAEA), vol. 12, pages 1-13.
    • Handle: RePEc:ags:saeasj:205973
    DOI: 10.22004/ag.econ.205973
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    References listed on IDEAS

    as
    1. Taljaard, Pieter R. & Alemu, Zerihun Gudeta & van Schalkwyk, Herman D., 2004. "The demand for meat in South Africa: An almost ideal estimation," Agrekon, Agricultural Economics Association of South Africa (AEASA), vol. 43(4), pages 1-14, December.
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    6. Sahn, David E, 1988. "The Effect of Price and Income Changes on Food-Energy Intake in Sri Lanka," Economic Development and Cultural Change, University of Chicago Press, vol. 36(2), pages 315-340, January.
    7. Akinleye, S.O. & Rahji, M.A.Y., 2007. "Nutrient elasticities among Nigerian households differentiated by income," Agrekon, Agricultural Economics Association of South Africa (AEASA), vol. 46(2), pages 1-15, June.
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    Cited by:

    1. Mohamed Esham & Brent Jacobs & Hewage Sunith Rohitha Rosairo & Balde Boubacar Siddighi, 2018. "Climate change and food security: a Sri Lankan perspective," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 20(3), pages 1017-1036, June.

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