Search Results       Your search for [author]Schaeffer, Nora Cate returned 1 record.           Rethinking the scope test as a criterion for validity in contingent valuation. by Schaeffer, Nora Cate; Amsterdam: Elsevier Inc, 2004. Subject: Social sciences; Contingent valuation; Water quality; Biodiversity.          Add to Book Cart Relevance: 36.48%