Choice consistency and preference stability in test-retests of discrete choice experiment and open-ended willingness to pay elicitation formats

Roy Brouwer*, Ivana Logar, Oleg Sheremet

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    13 Citations (Scopus)

    Abstract

    This study tests the temporal stability of preferences, choices and willingness to pay (WTP) values using both discrete choice experiment (DCE) and open-ended (OE) WTP elicitation formats. The same sample is surveyed three times over the course of two years using each time the same choice sets. Choice consistency is positively correlated with choice certainty and choice complexity. The impact of choice complexity fades away in time, most likely as a result of learning and preference refinement. Although the OE WTP values remain stable over a time period of 2 years as in previous stated preference studies, DCE based WTP measures differ significantly, suggesting their use in benefits transfer may be limited.

    Original languageEnglish
    Pages (from-to)729-751
    Number of pages23
    JournalEnvironmental and Resource Economics
    Volume68
    Issue number3
    Early online date8 Jul 2016
    DOIs
    Publication statusPublished - Nov 2017

    Keywords

    • Choice consistency
    • Discrete choice experiment
    • Open-ended WTP
    • Preference stability
    • Test-retest

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