Dreber, Anna; Rand, David G.; Wernerfelt, Nils; Garcia, … - 2011
We explore how risk-taking in the card game contract bridge, and in a financial gamble, correlate with variation in the … dopamine receptor D4 gene (DRD4) among serious tournament bridge players. In bridge risk-taking, we find significant … does not predict risk-taking among men without the 7R allele. Consistent with some prior studies, we also find that 7R men …