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    South Korean consumers’ preferences for eco-friendly gasoline sedans: Results from a choice experiment survey2019

    KIM G.E., KIM J.H., YOO S.H.Journaux et Revues (scientifiques)

    analyse conjointe / dichotomique, consentement à payer, énergies renouvelables, évaluation contingente

    Transport Policy
    Available online 22 February 2019
    In Press, Accepted ManuscriptWhat are Accepted Manuscript articles?

    ➢ The eco-friendly gasoline sedans (EGS) will be a promising alternative vehicle.

    ➢ Consumers’ preference for the attributes of EGS is examined using choice experiment.

    ➢ The attributes are Greenhouse gas, Particulate matter, and Fuel efficiency.

    ➢ The marginal values for the attributes are USD 231, 303, and 436, respectively.

    ➢ It is found that potential consumers place significant values on them.

    The South Korean government is considering eco-friendly gasoline sedans with 2,000cc engine as a promising future form of transportation and is tightening regulations on current gasoline sedans to reduce air pollutant emissions. This article attempts to look into consumers’ preferences for the attributes of an eco-friendly gasoline sedan with 2,000cc engine compared to a conventional gasoline sedan with 2,000cc engine. The three attributes for a gasoline sedan chosen in this study are: decrease in greenhouse gas (GHG) emissions, abatement in particulate matter emissions, and improvement of fuel efficiency. The potential consumers’ trade-offs between each of the attributes and purchasing price for it were evaluated in a choice experiment (CE) survey of 1,000 people during August 2018. The CE data were examined by a Bayesian approach to the mixed logit model. The marginal values for a 1 point of percentage decrease in GHG emissions, a 1 point of percentage abatement in particulate matter emissions, and a 1 km/L improvement of fuel efficiency are computed to be KRW 257 thousands (USD 229), KRW 340 thousands (USD 303), and KRW 491 thousands (USD 438), respectively. These results can be useful for policy-making and decision-making regarding eco-friendly gasoline sedans. For example, they can provide information on how much value potential consumers place on a new eco-friendly gasoline sedan.

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