How common is the common-ratio effect?
分析了39篇实验文章的数据，发现共同比率效应的出现受实验设计和实施方式系统影响，如共同比率因子低、中间结果与最高结果比值高、彩票以简单概率分布呈现时更易观察到。
Abstract The common-ratio effect and the Allais Paradox (common-consequence effect) are the two best‐known violations of Expected Utility Theory. We reexamine data from 39 articles reporting experiments (143 designs/parameterizations, 14,909 observations) and find that the common-ratio effect is systematically affected by experimental design and implementation choices. The common-ratio effect is more likely to be observed in experiments with a low common-ratio factor, a high ratio of middle to highest outcome, when lotteries are presented as simple probability distributions (not in a compound/frequency form), and with high hypothetical incentives.