Elicitation of valid statements of contingent value requires survey participants who are familiar with the environmental resource change. A primary purpose of the contingent market must be to assure familiarity by providing information. Information about resource quality is important when...

We examine effects of age on valuation of mortality and morbidity risks using a two-stage contingent valuation survey and a sample including parents of children aged 4-17 years and adults aged 18-92. The survey used a hypothetical improved asthma therapy to elicit (1) tradeoffs between asthma...