Smart or selfish – When smart guys finish nice

This paper examines the relationship between public good game (PGG) contributions and cognitive abilities assessed by the Cognitive Reflection Test (CRT). Employing two additional treatment conditions, the paper explores (i) whether CRT-scores are linked to preferences for cooperation or to a better understanding of the incentive structure; and (ii) the association between CRT-scores and contributions, if choices are elicited under time...