Substitution between cars within the household

Bruno De Borger, Ismir Mulalic, Jan Rouwendal

    Research output: Contribution to conferencePaperResearch


    The purpose of this paper is to study to what extent two-car households substitute the use of their less fuel efficient car by the use of their more fuel efficient car after an increase in fuel prices. Based on a simple theoretical framework we use a large sample of detailed Danish data on two-car households to estimate, for each car owned by the household, own and cross-price effects of increases in fuel costs per kilometer. The empirical results point at important substitution effects, so that models that estimate responses to fuel prices on the implicit or explicit assumption of one car per household imply substantial biases.
    Original languageEnglish
    Publication date2012
    Publication statusPublished - 2012
    EventKuhmo Nectar Conference and Summer School on Transportation Economics 2012 - Berlin, Germany
    Duration: 18 Jun 201222 Jun 2012


    ConferenceKuhmo Nectar Conference and Summer School on Transportation Economics 2012


    • Fuel efficiency
    • Multiple car ownership
    • Substitution effects


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