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...

Throughout the history of economic ideas, it has often been asserted that experimentation is impossible, yet, in fact, history shows that the idea of 'experimentation' has always been important, and as such has been interpreted and put to use in many ways. Rich in historical detail, the essays...