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...

Nature conservation has a long tradition in the South Caucasus, a region with very high biodiversity. Alongside century old nature reserves (NR) in Azerbaijan and Georgia, two new transboundary national parks (NP) have recently been created in Armenia and Georgia. All of these protected areas...