公共品实验中策略性方法的有效性检验——来自中国的经济学实验证据

The Validity Test of Strategic Method in Public Goods Experiments:Economic Experiment Evidence from China

公共品实验中的策略性方法已被广泛用于测度个体社会偏好及其类型。但是,该方法创设了一个不同于现实生活的新情境,因而其有效性遭到了质疑。为此,文章开展了一个被试内设计实验,让被试对象先后参加基于策略性方法和直接回应方法的两个实验,然后分析个体在两个实验中的行为是否一致,进而对公共品实验中策略性方法的有效性进行检验。分析结果表明,无论是从各类社会偏好个体的整体层面还是从每位被试的个体层面来看,个体在两种方法下的实验行为基本一致,从而为策略性方法的有效性提供了来自中国的实验证据。

The strategic method in public goods experiments has been widely used to measure social preference and types of individuals. But it cre- ates a new situation different from the real life, so its validity has been ques- tioned. This paper conducts a within-subjects design experiment. It lets the subjects participate in two experiments based on strategic and direct-re- sponse methods in succession,analyzes the behavioral consistence of individ- uals in the two experiments and tests the validity of strategic method in pub- lic goods experiments. It shows that, from the perspectives of the group level concerning individuals with the same social preference and the individual lev- el concerning every subject, the experimental behavior of individuals in the two methods above-mentioned is basically consistent with each other, providing experimental evidence from China for the validity of strategic method.