Heterogeneous Choice Sets and Preferences

Levon Barseghyan, Maura Coughlin, Francesca Molinari and Joshua Teitelbaum
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Maura Coughlin: Institute for Fiscal Studies

No CWP37/19, CeMMAP working papers from Centre for Microdata Methods and Practice, Institute for Fiscal Studies

Abstract: We propose a robust method of discrete choice analysis when agents’ choice sets are unobserved. Our core model assumes nothing about agents’ choice sets apart from their minimum size. Importantly, it leaves unrestricted the dependence, conditional on observables, between agents’ choice sets and their preferences. We ?rst establish that the model is partially identi?ed and characterize its sharp identi?cation region. We also show how the model can be used to assess the welfare cost of limited choice sets. We then apply our theoretical ?ndings to learn about households’ risk preferences and choice sets from data on their deductible choices in auto collision insurance. We ?nd that the data can be explained by expected utility theory with relatively low levels of risk aversion and heterogeneous choice sets. We also ?nd that a mixed logit model, as well as some familiar models of choice set formation, are rejected in our data.

Date: 2019-07-05
New Economics Papers: this item is included in nep-dcm, nep-ias and nep-upt
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Citations: View citations in EconPapers (12)

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Related works:
Journal Article: Heterogeneous Choice Sets and Preferences (2021)
Working Paper: Heterogeneous Choice Sets and Preferences (2021)
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