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Bounding Counterfactual Demand with Unobserved Heterogeneity and Endogenous Expenditures

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

No ECARES 2017-41, Working Papers ECARES from ULB -- Universite Libre de Bruxelles

Abstract: We propose a novel method to predict rational counterfactual demand responses from an observed set of repeated cross-sections. Our method derives bounds on the distribution of counterfactual demands that are consistent with the Weak Axiom of Revealed Preferences without putting any restriction on the preference heterogeneity across consumers. In contrast to existing methods, our method also allows for endogeneity of total expenditures. In addition, the method can readily incorporate restrictions on the income elasticities of the consumption goods, which further enhances its identifying power (i.e. tighter bounds). The method is easy to implement and yields informative bounds on demand, which we illustrate through an application to data drawn from the U.S. Consumer Expenditure Survey (CEX).

Keywords: unobserved heterogeneity; endogenous expenditures; WARP; counterfactual demand (search for similar items in EconPapers)
JEL-codes: C14 D12 (search for similar items in EconPapers)
New Economics Papers: this item is included in nep-upt
Date: 2017-11
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