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本文的研究目的在于分析背景因素和最大价格信息对BDM拍卖支付意愿的影响。为了分析农村居民对饮用水水质改善的支付意愿,本文选取便携式水过滤器为BDM的拍卖物。来自中国、柬埔寨和菲律宾的354名随机样本参与了本研究的实验,其中有一半的样本来自于家里有自来水的家庭,另一半来自于家里没有自来水的家庭。样本再被随机地分成两组:一组样本被告知拍卖物的最高价格信息,另一组样本不被提供拍卖物的最高价格信息。研究结果表明:被提供拍卖物最高价格信息的样本给出的平均支付意愿高于不被提供最高价格信息样本的平均支付意愿,但二者之间没有显著差异。参与者的背景因素(家庭是否有自来水供给)和其他社会经济因素(收入、年龄和教育水平等)对参与者的支付意愿有显著的影响。没有自来水供给的家庭比有自来水供给的家庭对饮用水水质改善有较高的支付意愿;收入较高和受教育水平较高的家庭对饮用水水质改善有较高的需求;菲律宾和柬埔寨的农村居民对便携式水过滤器的需求明显高于中国的农村居民。
The purpose of this paper is to analyze the influence of background factors and maximum price information on the willingness to pay for BDM auctions. In order to analyze the willingness of rural residents to pay for the improvement of drinking water quality, this article chooses the portable water filter as the auction item of BDM. A total of 354 random samples from China, Cambodia and the Philippines participated in the study. Half of the samples came from households with running water at home and the other half came from families without running water at home. The samples are then randomly divided into two groups: one is informed of the highest price of the auction, and the other is not provided with the highest price of the auction. The result of the study shows that the average willingness to pay given by the sample provided with the highest price information on the auction is higher than the average willingness to pay without being provided with the highest price information sample, but there is no significant difference between the two. The participants ’background factors (whether the family has tap water supply) and other socioeconomic factors (income, age, educational level, etc.) have a significant impact on participants’ willingness to pay. Families without tap water have a higher willingness to pay for improved drinking water quality than households with tap water supply; families with higher incomes and higher education levels have higher demand for improved drinking water quality; rural areas of the Philippines and Cambodia Demand for portable water filters is significantly higher than that of rural residents in China.