Abstract:
:We conducted a field experiment comparing hypothetical and real purchase decisions for a pharmacist provided asthma management program among 172 subjects with asthma. Subjects received either a dichotomous choice contingent valuation question or were given the opportunity to actually enroll in the program. Three different prices were used: US$ 15, 40, and 80. In the hypothetical group, 38% of subjects said that they would purchase the good at the stated price, but only 12% of subjects in the real group purchased the good (p = 0.000). We cannot, however, reject the null hypothesis that "definitely sure" hypothetical yes responses, as identified in a follow-up question, correspond to real yes responses. We conclude that the dichotomous choice contingent valuation method overestimates willingness to pay, but that it may be possible to correct for this overestimation by sorting out "definitely sure" yes responses.
journal_name
J Health Econjournal_title
Journal of health economicsauthors
Blumenschein K,Johannesson M,Yokoyama KK,Freeman PRdoi
10.1016/s0167-6296(01)00075-3subject
Has Abstractpub_date
2001-05-01 00:00:00pages
441-57issue
3eissn
0167-6296issn
1879-1646pii
S0167-6296(01)00075-3journal_volume
20pub_type
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