Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/62619
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dc.contributor.authorDeany, Marken_US
dc.contributor.authorMartinz, Danielen_US
dc.date.accessioned2011-08-30en_US
dc.date.accessioned2012-09-17T11:31:21Z-
dc.date.available2012-09-17T11:31:21Z-
dc.date.issued2011en_US
dc.identifier.urihttp://hdl.handle.net/10419/62619-
dc.description.abstractIn this paper, we introduce a new measure of how close a set of choices are to satisfying the observable implications of rational choice, and apply it to a large balanced panel of household level consumption data. We use this method to answer three related questions: (i) How close are individual consumption choices to satisfying the model of utility maximization? (ii) Are there differences in rationality between different demographic groups? (iii) Can choices be aggregated across individuals under the assumption of homogeneous preferences? Crucially, in answering these questions, we take into account the power of budget sets faced by each household to expose failures of rationality. To summarize our results we find that: (i) while observed violations of rationality are small in absolute terms, our households are only moderately more rational than the benchmark of random choice; (ii) there are significant differences in the rationality of different groups, with multi-head households more rational than single head households, and the youngest households more rational than middle age households; (iii) the assumption of homogenous preferences is strongly rejected: choice data that is aggregated across households exhibits high levels of irrationality.en_US
dc.language.isoengen_US
dc.publisher|aBrown University, Department of Economics |cProvidence, RIen_US
dc.relation.ispartofseries|aWorking Paper, Brown University, Department of Economics |x2011-11en_US
dc.subject.ddc330en_US
dc.titleTesting for rationality with consumption data: Demographics and heterogeneityen_US
dc.typeWorking Paperen_US
dc.identifier.ppn667363807en_US
dc.rightshttp://www.econstor.eu/dspace/Nutzungsbedingungenen_US

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