We replicate three pricing tasks of Gneezy, List and Wu (2006) for which they document the so-called uncertainty effect, namely, that people value a binary lottery over non-monetary outcomes less than other people value the lottery's worse outcome. While the authors implemented a verbal lottery...

Drawing on Gneezy and Rustichini (2000), we illustrate that subjects' cognitive abilities seem at least as important for their performance as do financial incentives they face. Theorists should thus pay more attention to the ability aspect of cognitive production.