This major reference work--the first of its kind--provides a comprehensive and authoritative introduction to the large and growing literature on contingent valuation. It includes entries on over 7,500 contingent valuation papers and studies from over 130 countries covering both the published and...

The bananas we eat today aren't our parents' bananas: We eat a recognizable, consistent fruit that was standardized in the 1960s from dozens into one basic banana. But because of that, the banana we love is dangerously susceptible to a pathogen that might wipe them out. That's the story of our...