Choice questions are increasingly being used to scale competing natural resource programs. Respondents choose between two alternatives with varying levels of program characteristics and costs. Complexity in the choice task can increase the randomness (variance) in the choices and the estimation...

The Handbook on Contingent Valuation is unique in that it focuses on contingent valuation as a method for evaluating environmental change. It examines econometric issues, conceptual underpinnings, implementation issues as well as alternatives to contingent valuation. Anna Alberini and James Kahn...