A qualitative examination of how respondents in a contingent valuation study rationalise their WTP responses to an increase in the quantity of the environmental good

The issue of how bidders respond to an increase in the quantity or quality of an environmental good is of central importance to the economic validity of the contingent valuation method (CVM). This paper undertakes both a quantitative and qualitative examination of individual bidder response in respect of a particular case study. Using an open ended multiple bid design with follow up verbal reports, we explore respondent motivations behind...