Dorte Gyrd‐Hansen; Jensen, Mette Lundsby; Kjaer, Trine - In: Health Economics 23 (2014) 5, pp. 550-563
SUMMARY In this study, respondents were randomly allocated to three variants of the payment card format and an open‐ended format in order to test for convergent validity. The aim was to test whether preferences (as measured by willingness to pay additional tax) would be affected by framing the...