Data for: The role of question format for the support for national climate change mitigation policies in Germany and the determinants of WTP

Abstract of associated article: This contingent valuation survey examines the willingness to pay (WTP) for climate change mitigation in Germany. Willingness to pay is assessed by using a classic dichotomous choice referendum format and a two-way payment ladder in a split-sample design. We find that mean WTP under the referendum format is more than twice the WTP in the payment ladder format, but median WTP does not differ. Moreover, we test the possible effect of different determinants on WTP. Determinants that considerably influence WTP are personal norm, climate change scepticism, agreement with the German Renewable Energy Law and individualistic cognition. Income and gender are also important predictors.关联论文摘要：本条件价值评估法（Contingent Valuation, CV）调查旨在评估德国民众针对气候变化减缓措施的支付意愿（Willingness to Pay, WTP）。研究采用经典二分选择公投式问卷与双向支付阶梯问卷的拆分样本设计，对受访者的支付意愿进行测度。结果显示，公投式问卷情境下的平均支付意愿是双向支付阶梯情境下的两倍以上，但二者的中位支付意愿并无显著差异。此外，本研究还检验了各类潜在影响因素对支付意愿的作用效果：个人规范、气候变化怀疑论、对德国《可再生能源法》的认同以及个体主义认知均对支付意愿存在显著影响；收入与性别同样是重要的预测变量。