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We sought to compare the performance of the EQ-5D and SF-6D with regard to the criteria of practicality, convergent validity, and construct validity, the level of agreement between the two measures was also assessed. Responses from 1865 individuals aged 45 years in one general practice were...

In a recent issue of Health Economics Letters, Whynes et al. report an observation not previously reported in the willingness-to-pay (WTP) literature; that when people are asked to provide an estimate using payment scales they tend to disproportionately select prominent values (that is, 1, 2, 5,...

A general population sample of Australian respondents completed a contingent valuation (CV) survey that asked them to value six scenarios. These varied according to whether the scenario was seeking to elicit: (i) use value; (ii) externality value; (iii) option value; or (iv) a combination. Results...

A general population sample of 314 Australian respondents were randomly allocated to complete a contingent valuation survey administered by face-to-face or telephone ('phone-mail-phone') interview. Although the telephone interview was quicker to complete, no significant difference was found in...

Contingent valuation (CV) has been criticised for being too hypothetical, with expressed values bearing little relation to actual values. The magnitude of this divergence, however, depends upon how realistic and believable the contingent market is. This paper presents an overview of five key...

A general population sample of 135 Australian respondents completed one of four contingent valuation surveys that asked them to value health benefits either in the absence of an explicit reference good or in the presence of one of three different forms of reference good. Results suggest that...

A general population sample of 104 Australian respondents completed an interviewer-administered contingent valuation (CV) survey that asked them to value five scenarios representing the same core improvement in health status. These scenarios varied only in the degree of narrative used to...

A key theoretical prediction concerning willingness to pay is that it is positively correlated with benefit size and is assessed by testing the 'sensitivity to scale (scope)'. 'External' (between-sample) sensitivity tests are usually regarded as less powerful than 'internal' (within-subject)...