Improving scope sensitivity in contingent valuation: Joint and separate evaluation of health states

Adequate responsiveness to scope in contingent valuation

A note on the warm glow of giving and scope sensitivity in contingent valuation studies

This note develops a behavioral framework to classify individual contingent valuation (CV) respondents in terms of the warm glow and altruistic motives in their WTP responses. We suggest that at least ®ve possible behavioral categories for CV responses may exist, depending on the type of underlying preferences and whether respondents are satiated or non-satiated with respect to the good. An emp...

The Issue of Scope in Contingent Valuation Studies

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Contingent valuation studies and health policy.

I am glad to have the opportunity to respond to the fine paper by Professors Smith and Sach (2009). They raise both foundational questions concerning the justification of contingent valuation studies in the health policy area, and important implementation questions concerning the appropriate design of such studies. I will focus my attention on the question of justification. The debate about con...

Scale Sensitivity and Question Order in the Contingent Valuation Method

Abstract: This study examines the effect on respondents' willingness to pay to reduce mortality risk by the order of the question in a stated preference study. Using answers from an experiment conducted on a Swedish sample where respondents’ cognitive ability was measured and where they participate in a contingent valuation survey it is found that scale sensitivity is the strongest when respond...