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Weak Separability in Coffee Demand Systems

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  • Sellen, Daniel
  • Goddard, Ellen

Abstract

Linear versions of the Almost Ideal Demand System are estimated for US and German coffee imports with the intent of testing for homothetic and non-homothetic weak separability and calculating elasticities. Three different separable groupings are tested and separability restrictions are rejected. Elasticities indicate both elastic and inelastic demand for coffee by country of origin, and also that roasters consider such coffees as both substitutes and complements. Copyright 1997 by Oxford University Press.

Suggested Citation

  • Sellen, Daniel & Goddard, Ellen, 1997. "Weak Separability in Coffee Demand Systems," European Review of Agricultural Economics, Oxford University Press and the European Agricultural and Applied Economics Publications Foundation, vol. 24(1), pages 133-144.
    • Handle: RePEc:oup:erevae:v:24:y:1997:i:1:p:133-44
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    1. Moschini, GianCarlo & Moro, D., 1993. "Food Demand System for Canada, A," Staff General Research Papers Archive 12753, Iowa State University, Department of Economics.
    2. Rodolfo M. Nayga & Oral Capps, 1994. "Tests of Weak Separability in Disaggregated Meat Products," American Journal of Agricultural Economics, Agricultural and Applied Economics Association, vol. 76(4), pages 800-808.
    3. Unknown, 1986. "Letters," Choices: The Magazine of Food, Farm, and Resource Issues, Agricultural and Applied Economics Association, vol. 1(4), pages 1-9.
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    1. Wim Pelupessy & Rafael Díaz, 2008. "Upgrading of Lowland coffee in Central America," Agribusiness, John Wiley & Sons, Ltd., vol. 24(1), pages 119-140.
    2. Xu, Lei, 2024. "Household Food Waste Patterns: Exploring Categorical Price and Expenditure Elasticities Using a Demand System Approach," 2024 Annual Meeting, July 28-30, New Orleans, LA 343717, Agricultural and Applied Economics Association.
    3. Shumway, C. Richard & Davis, George C., 2001. "Does consistent aggregation really matter?," Australian Journal of Agricultural and Resource Economics, Australian Agricultural and Resource Economics Society, vol. 45(2), pages 1-34.
    4. Dong, Diansheng & Stewart, Hayden & Dong, Xiao & Hahn, William, 2022. "Quantifying Consumer Welfare Impacts of Higher Meat Prices During the COVID-19 Pandemic," Amber Waves:The Economics of Food, Farming, Natural Resources, and Rural America, United States Department of Agriculture, Economic Research Service, vol. 2022(Economic ), April.
    5. Abderraouf Laajimi & Boubaker Dhehibi & José Maria Gil, 2003. "The structure of food demand in Tunisai: a differential system approach," Cahiers d'Economie et Sociologie Rurales, INRA Department of Economics, vol. 66, pages 55-77.
    6. Eales, James S. & Henderson, Jason R., 2000. "The Impact Of Negativity On Separability Testing," 2000 Annual meeting, July 30-August 2, Tampa, FL 21817, American Agricultural Economics Association (New Name 2008: Agricultural and Applied Economics Association).
    7. Feuerstein, Switgard, 2002. "Do coffee roasters benefit from high prices of green coffee?," International Journal of Industrial Organization, Elsevier, vol. 20(1), pages 89-118, January.
    8. Ufer, Danielle & Countryman, Amanda M. & Muhammad, Andrew, 2020. "How important are product attributes for U.S. lamb imports?," International Food and Agribusiness Management Review, International Food and Agribusiness Management Association, vol. 23(3), August.
    9. Njonou, Rabelais Yankam & Frahan, Bruno Henry de & Surry, Yves R., 2002. "Testing Separability for Common Wheat Qualities in French Import Demand Market Using Aids and Rotterdam Demand Models," 2002 International Congress, August 28-31, 2002, Zaragoza, Spain 24921, European Association of Agricultural Economists.
    10. Lakkakula, Prithviraj & Schmitz, Andrew & Ripplinger, David, 2016. "U.S. Sweetener Demand Analysis: A QUAIDS Model Application," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 41(3), pages 1-16, September.
    11. Ghazaryan, Armen & Bonanno, Alessandro & Carlson, Andrea, 2023. "I Say Milk, You Say Mylk. Demand Separability in a Broadened Milk Category," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 48(2), May.
    12. Sato, Hideyasu, 2021. "Generalized Axiom of Revealed Preference Tests for Foods and Drinks: The Case of Using POS Data in Japan," 2021 ASAE 10th International Conference (Virtual), January 11-13, Beijing, China 329424, Asian Society of Agricultural Economists (ASAE).
    13. Sato, Hideyasu & 佐藤, 秀保, 2020. "Do Large-scale Point-of-sale Data Satisfy the Generalized Axiom of Revealed Preference in Aggregation Using Representative Price Indexes?: A Case Involving Processed Food and Beverages," RCESR Discussion Paper Series DP19-2, Research Center for Economic and Social Risks, Institute of Economic Research, Hitotsubashi University.
    14. Henneberry, Shida Rastegari & Piewthongngam, Kullapapruk & Qiang, Han, 1999. "Consumer Food Safety Concerns And Fresh Produce Consumption," Journal of Agricultural and Resource Economics, Western Agricultural Economics Association, vol. 24(1), pages 1-16, July.
    15. Bosbach, Moritz & Maietta, Ornella Wanda, 2011. "The Impact of Social Capital on the Implicit Price Paid by the Italian Consumer for Fair Trade Coffee," 2011 International Congress, August 30-September 2, 2011, Zurich, Switzerland 114371, European Association of Agricultural Economists.
    16. Bölcskei, Vanda, 2010. "A távbeszélő-szolgáltatások keresleti modelljeinek áttekintése - különös tekintettel a vezetékes és mobilszolgáltatások közötti helyettesítés becslésére [A review of the demand models of telephone ," Közgazdasági Szemle (Economic Review - monthly of the Hungarian Academy of Sciences), Közgazdasági Szemle Alapítvány (Economic Review Foundation), vol. 0(6), pages 517-535.

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