Efficient Estimation Methods for "Closed-Ended" Contingent Valuation Surveys
针对封闭式条件价值调查，提出一种最大似然估计方法，利用阈值变化直接估计回归系数和误差标准差，避免截断偏差，并用休闲钓鱼者数据验证了影响支付意愿的因素。
Closed-ended contingent valuation surveys can be very useful in the evaluation of nonmarket resources. Respondents merely state whether they would accept or reject a hypothetical threshold amount, either as payment for giving up access to the resource or as a fee for its use. The authors develop a maximum likelihood procedure which exploits the variation in the threshold values to allow direct and separate point estimates of regression-like slope coefficients and error standard deviations (without truncation bias). Their illustration uses data from a survey of recreational fisherman to examine factors which influence individuals' willingness-to-pay. Copyright 1987 by MIT Press.