In this article, we consider uncertain preferences for non-market goods, but we move away from a probabilistic representation of uncertainty and propose the use of fuzzy contingent valuation. We assume that a decision maker never fully knows her own utility function and we treat utility as a...

The international community considers the possibility of using aid as an instrument to improve natural resource conservation in developing countries. By making the amount of transfers dependent on the efforts of the recipient countries to improve conservation, appropriate incentives can be...

The international community considers the possibility of using aid as an instrument to improve natural resource conservation in developing countries. By making the amount of transfers dependent on the efforts of the recipient countries to improve conservation, appropriate incentives can be...