One way of investigating this is-- to get around the selection bias-- is to try to look at all countries.

为了避免选择性偏差,研究方法之一是,研究所有的国家

耶鲁公开课 - 金融市场课程节选

The title of the book, Stocks for the Long Run-- stocks always outperform other investments for the long run and he says it's not due to selection bias.

书名是为《股市长线法宝》,长期投资中股票总是比其他资产有更高的收益,他认为他在研究中排除了选择性偏差

耶鲁公开课 - 金融市场课程节选

They also have to deal with selection bias.

保险公司也要面临选择性偏差

耶鲁公开课 - 金融市场课程节选