Devlin, Nancy J.; Hansen, Paul; Kind, Paul; Williams, Alan - In: Health Economics 12 (2003) 7, pp. 529-544
Logical inconsistencies in survey respondents' valuations of hypothetical health states - represented by the EQ-5D, for example - present a conundrum as to whether or not their responses ought to be included for estimating social 'tariffs'. A 'logical inconsistency' occurs when a state that 'in...