Aim of this study was to assess the annual social cost of air pollution impact on health of Warsaw population. The study consisted of three main parts, i.e. the determination of Warsaw citizens’ exposure to air pollution, the quantification of the health effect as a result of this exposure and...

Protected areas, certification, payments for ecosystem services, willingness to invest, ecosystem sustainability, Tanzania. - Schutzzonen, Zertifizierung, Zahlungen für Ökosystemleistungen, Investitionsbereitschaft, Nachhaltigkeit von Ökosystemen, Tansania

This paper establishes a new method for eliciting Willingness to Pay (WTP) in contingent valuation (CV) studies with an open-ended elicitation format: the Range-WTP method. In contrast to the traditional approach for eliciting Point-WTP, Range-WTP explicitly allows for preference uncertainty in...