The role of the reference alternative in the specification of asymmetric discrete choice models

Lorenzo Masiero, John M. Rose

Research output: Journal article publicationJournal articleAcademic researchpeer-review

9 Citations (Scopus)


Within the discrete choice modelling literature, there has been growing interest in including reference alternatives within stated choice survey tasks. This paper analyses asymmetric discrete choice models by comparing specifications expressed as deviations from the reference point and specifications expressed in absolute values. The results suggest that the most suitable specification reflects the way the attribute levels are presented to respondents, either in terms of deviations or absolute values. Results further suggest significant differences on the willingness to pay and willingness to accept estimates obtained from the two different specifications proposed.
Original languageEnglish
Pages (from-to)83-92
Number of pages10
JournalTransportation Research Part E: Logistics and Transportation Review
Issue number1
Publication statusPublished - 1 Jan 2013
Externally publishedYes


  • Preference asymmetry
  • Reference alternative
  • Stated choice experiments
  • Willingness to pay

ASJC Scopus subject areas

  • Business and International Management
  • Transportation
  • Management Science and Operations Research

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