发帖
雷达卡
1 论文标题
Who is Coming to the Experiment? A Cautionary Tale from China
2 作者信息
Elaine Liu (University of Houston)
Paul Frijters (University of Queensland)
Tao Sherry Kong (Peking University)
3 出处和链接（比如，NBER working paper No.11000）
http://www.uh.edu/econpapers/RePEc/hou/wpaper/201309854.pdf
4 摘要
We compare the characteristics and regression coefficients between the participants in a field experiment in China and the survey population from which they were recruited. The experimental participants were more educated, younger, more likely to be male, more risk-loving and work fewer hours than the more general population. The estimates of their regression coefficients in the standard analyses of wages, happiness and entrepreneurship differed significantly from non-participants, indicating that inferences drawn from experimental samples may not hold for more representative groups of the population.
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