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Do Ordering Effects Matter in Willingness-to-pay Studies of Health Care?
Stewart, Jennifer O'Shea, Eamon Donaldson, Cam Shackley, Phil
Stewart, Jennifer
O'Shea, Eamon
Donaldson, Cam
Shackley, Phil
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Date
2000
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working paper
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Citation
Stewart, J., O'Shea, E., Donaldson, C., Shackley, P. (2000) Do Ordering Effects Matter in Willingness-to-pay Studies of Health Care? (Working Paper No. 0046) Department of Economics, National University of Ireland, Galway.
Abstract
Willingness-to-pay studies are increasingly being used in the evaluation of health care programmes. There are, however, methodological issues that need to be resolved before the potential of willingness-to-pay can be fully exploited as a tool for the economic evaluation of health care programmes. Of particular methodological interest are the consequences of varying the order in which willingness-to-pay questions are presented to respondents in contingent valuation studies. This paper examines the possibility of ordering effects in willingness-to-pay studies in health care. That is, when simultaneously asking willingness-to-pay questions about three health care programmes, does the order the programmes are presented have an impact on the reported willingness-to-pay? We present the results from a survey which allowed us to test for ordering effects and examine, in particular, if the respondent?s past experience with the health care service interacted with the ordering effects.
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Publisher
National University of Ireland, Galway
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License
CC BY-NC-ND