Valuing the environment in developing countries : case studies In this book the first of two volumes the authors provide detailed case studies of valuation techniques that have been used in developing countries. They demonstrate that valuation works and that it can yield significant insights into policy relevant issues regarding conservation and economic development. The authors address a whole range of environmental issues under the broad themes of water and air quality biological diversity and forest functions. The economic approaches covered include contingent valuation hedonic property prices travel cost methodologies and benefits transfer pt. 1. Air quality water supply and water quality pt. 2. Valuing biological diversity pt. 3. Valuing forest functions