This article examines the effect of preference heterogeneity on nonparametric and parametric tests of the rank of demand systems. Using samples of households drawn from the U.K. Family Expenditure Survey, we find that preference heterogeneity increases the rank of demand systems. When the effects of household characteristics on demand are removed by semiparametric techniques, a rank-3 demand system appears to be an adequate empirical specification for all samples.
机构:
Technion Israel Inst Technol, Fac Comp Sci, IL-32000 Haifa, IsraelTechnion Israel Inst Technol, Fac Comp Sci, IL-32000 Haifa, Israel
Ailon, Nir
Mohri, Mehryar
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Technion Israel Inst Technol, Fac Comp Sci, IL-32000 Haifa, Israel
NYU, Courant Inst Math Sci, New York, NY 10012 USATechnion Israel Inst Technol, Fac Comp Sci, IL-32000 Haifa, Israel
机构:
Natl Bur Econ Res, New York, NY 10016 USA
Bentley Coll, Waltham, MA 02452 USA
Natl Bur Econ Res, Dept Econ, Waltham, MA 02452 USANatl Bur Econ Res, New York, NY 10016 USA
Dave, Dhaval
Saffer, Henry
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Natl Bur Econ Res, New York, NY 10016 USANatl Bur Econ Res, New York, NY 10016 USA