題　目：Modeling and Joint Estimation of Two Order-Restricted Contingent Valuation Scenarios 主講人：江振東教授(政治大學統計系) 時　間：96年11月2日(星期五)上午10:40-11:30 (上午10:20-10:40茶會於交大統計所428室舉行) 地　點：交大綜合一館427室 Abstract Nowadays more and more double-bounded dichotomous choice contingent valuation surveys ask subjects to respond to more than one WTP (willingness-to-pay) scenarios. Under such a circumstance, responses provided by a subject are clearly correlated, and the prices themselves might be inherently ordered as well. The former, despite being well recognized in the literature, is often ignored by practitioners. The latter, on the other hand, receives little attention. These are the two issues that need to be addressed. Additional issue that is worthy of attention is about the protest samples. In this study, we propose a model based on a new family of bivariate distributions to handle the three issues simultaneously. The model is also applied to elicit WTP for two weight-loss programs. --

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