A comparison of two methods for eliciting contingent valuations of colorectal cancer screening

von Whynes, David K.
Veröffentlicht in Journal of health economics (2003)

Willingness-to-pay and demand curves: a comparison of results obtained using different elicitation formats

von Whynes, David K.
Veröffentlicht in International journal of health care finance and economics (2005)

Eliciting willingness to pay : comparing closed-ended with open-ended and payment scale formats

von Frew, Emma J.
Veröffentlicht in Medical decision making (2003)