【作者(必填)】
Richard C. Ready, Ståle Navrud and W. Richard Dubourg
【文题(必填)】 How Do Respondents with Uncertain Willingness to Pay Answer Contingent Valuation Questions?【年份(必填)】
Land Economics
Vol. 77, No. 3 (Aug., 2001), pp. 315-326
【全文链接或数据库名称(选填)】http://www.jstor.org/stable/3147126