【作者(必填)】
Unbiased Value Estimates for Environmental Goods: A Cheap Talk Design for the Contingent Valuation Method【文题(必填)】
Ronald G. Cummings and Laura O. Taylor
【年份(必填)】
The American Economic Review
Vol. 89, No. 3 (Jun., 1999), pp. 649-665
【全文链接或数据库名称(选填)】
http://www.jstor.org/stable/117038