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Revealed Preference Analysis with Normal Goods: Application to Cost of Living Indices

Laurens Cherchye (), Thomas Demuynck (), Bram De Rock and Khushboo Surana

No 2018-08, Working Papers ECARES from ULB -- Universite Libre de Bruxelles

Abstract: We present a revealed preference methodology for nonparametric demand analysis under the assumption of normal goods. Our methodology is exible in that it allows for imposing normality on any subset of goods. We show the usefulness of our methodology for empirical welfare analysis through cost of living indices. An illustration to US consumption data drawn from the Panel Study of Income Dynamics (PSID) demonstrates that mild normality assumptions can substantially strengthen the empirical analysis. In particular, it obtains considerably tighter bounds on cost of living indices, and a significantly more informative classification of better-off and worse-off individuals after the 2008 financial crisis.

Keywords: nonparametric demand analysis; revealed preferences; normal goods; individual welfare analysis; cost of living indices (search for similar items in EconPapers)
Date: 2018-04
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