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      The marginal willingness-to-pay for attributes of a hypothetical HIV vaccine

      Cameron, Michael Patrick; Newman, Peter A.; Roungprakhon, Surachet; Scarpa, Riccardo
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      Cameron, M.P., Newman, P.A., Roungprakhon,S. & Scarpa, R. (2012). The marginal willingness-to-pay for attributes of a hypothetical HIV vaccine. (Department of Economics Working Paper Series, Number 11/12). Hamilton, New Zealand: University of Waikato.
      Permanent Research Commons link: https://hdl.handle.net/10289/6689
      Abstract
      This paper estimates the marginal willingness-to-pay for attributes of a hypothetical HIV vaccine using discrete choice modeling. We use primary data from 326 respondents from Bangkok and Chiang Mai, Thailand, in 2008-2009, selected using purposive, venue-based sampling across two strata. Participants completed a structured questionnaire and full rank discrete choice modelling task administered using computer-assisted personal interviewing. The choice experiment was used to rank eight hypothetical HIV vaccine scenarios, with each scenario comprising seven attributes (including cost) each of which had two levels. The data were analyzed in two alternative specifications: (1) best-worst; and (2) full-rank, using logit likelihood functions estimated with custom routines in Gauss matrix programming language. Knowledge of the relative importance of determinants of HIV vaccine acceptability is important to ensure the success of future vaccination programs. Future acceptability studies of hypothetical HIV vaccines should use more finely-grained biomedical attributes, and could also improve the external validity of results by including more levels of the cost attribute.
      Date
      2012-09
      Type
      Working Paper
      Series
      Department of Economics Working Paper Series
      Report No.
      11/12
      Publisher
      University of Waikato
      Rights
      ©2012 The Authors
      Collections
      • Management Papers [1136]
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