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Transfers of landowner willingness to accept: A convergent validity and reliability test using choice experiments in two Canadian watersheds
Canadian Journal of Agricultural Economics ( IF 2.5 ) Pub Date : 2018-11-20 , DOI: 10.1111/cjag.12191
Ryan Trenholm 1 , Van Lantz 2 , Wolfgang Haider 1 , Duncan Knowler 1
Affiliation  

We examined the reliability and validity of transferring estimates of marginal willingness to accept and compensating surplus. In doing so, we used data from two case studies applying choice experiments to elicit landowner preferences for incentive‐based wetland conservation programs in two adjacent watersheds in Southern Ontario, Canada (Grand and Upper Thames Rivers in parallel in 2013). The choice experiment data were modeled in willingness to accept space using a generalized multinomial logit. Transfer reliability was investigated by calculating transfer errors, while validity was investigated by testing the equality of utility functions as well as by assessing the similarity of welfare estimates using traditional hypothesis tests and equivalence tests. The main findings are that transfers of willingness to accept are similar to existing transfers of willingness to pay in terms of validity and reliability. Additionally, a sensitivity analysis finds that including demographic variables in the choice model can lead to lower transfer validity though does not substantially affect reliability. Though further research is required, our results suggest that willingness to accept can be transferred as part of policy analyses.

中文翻译:

土地所有者接受意愿的转移:在两个加拿大流域中使用选择实验进行的收敛效度和可靠性检验

我们研究了转移接受和补偿盈余的边际意愿估计值的可靠性和有效性。在此过程中,我们使用了来自两个案例研究的数据,这些案例应用了选择实验,从而在加拿大安大略省南部两个相邻的流域(2013年与大泰晤士河平行)上,激发了土地所有者对基于激励的湿地保护计划的偏好。使用通用的多项式logit对选择实验数据进行建模以愿意接受空间。通过计算转移误差来研究转移可靠性,而通过检验效用函数的相等性以及使用传统假设检验和等效检验来评估福利估计的相似性来检验有效性。主要发现是,接受意愿的转移在有效性和可靠性方面类似于现有的支付意愿转移。此外,敏感性分析发现,在选择模型中包含人口统计学变量可能会导致转移有效性降低,尽管不会实质性影响可靠性。尽管还需要进一步的研究,但我们的结果表明,接受意愿可以作为政策分析的一部分进行转移。
更新日期:2018-11-20
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