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The Scope of the Unit Value Problem

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  • Beatty, Timothy K.M.

Abstract

This paper investigates the scope of the unit value problem in household level expenditure data. Specifically, to what extent do unit values and prices coincide. I test whether self-reported prices vary with covariates thought to be important in household demand behavior. In addition, I measure the expenditure elasticity of quality for 196 distinct food aggregates. Approximately half of the expenditure elasticities estimated are significantly different from zero, suggesting that unit values and prices do not coincide in most cases. Finally, a generalization of the standard quality demand regression is proposed, in which the expenditure elasticity of quality is allowed to vary over the range of total food expenditure. Some food aggregates display significant nonlinearities, providing further evidence of the difference between prices and unit values.

Suggested Citation

  • Beatty, Timothy K.M., 2007. "The Scope of the Unit Value Problem," Consumer and Market Demand Network Papers 6833, University of Alberta, Department of Resource Economics and Environmental Sociology.
    • Handle: RePEc:ags:ualbnp:6833
    DOI: 10.22004/ag.econ.6833
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    Cited by:

    1. Staudigel, Matthias, 2010. "The Demand For Food Quality In Russia And Its Linkage To Obesity," 115th Joint EAAE/AAEA Seminar, September 15-17, 2010, Freising-Weihenstephan, Germany 116444, European Association of Agricultural Economists.
    2. Matthias Staudigel, 2012. "How do obese people afford to be obese? Consumption strategies of Russian households," Agricultural Economics, International Association of Agricultural Economists, vol. 43(6), pages 701-714, November.

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    Keywords

    Consumer/Household Economics;

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