From 'In other cases, we must rely on survey approaches to estimate WTP, usually through a variant of the contingent valuation approach, which generally involves directly questioning respondents for their WTP in hypothetical market situations.', can we conclude that 'It is not possible to determine WTP by asking respondents.' is unrelated and maintains neutrality?
In other cases, we must rely on survey approaches to estimate WTP, usually through a variant of the contingent valuation approach, which generally involves directly questioning respondents for their WTP in hypothetical market situations.###It is not possible to determine WTP by asking respondents.