We report the results of experiments that test for behavioral differences between volunteer subjects recruited in the usual way and pseudo-volunteer subjects in experiments conducted during class time. In a series of dictator games, we find that pseudo-volunteers are more generous on average...

We reinvestigate the question first posed by Glaeser, Laibson, Scheinkman and Soutter (2000, GLSS hereafter): What is the best measure of trust for predicting trusting behavior? This important study, cited over 2,100 times, established that the behavior in the investment game, an incentivized...