【作者(必填)】
Ori Heffetz and Matthew Rabin
【文题(必填)】Conclusions Regarding Cross-Group Differences in Happiness Depend on Difficulty of Reaching Respondents
【年份(必填)】AER, 103(7)
【全文链接或数据库名称(选填)】
https://www.aeaweb.org/articles.php?doi=10.1257/aer.103.7.3001