Previous studies of mixed gambles (gambles that yield gains and losses) reveal mixed results. Whereas some studies show a tendency to reject highly attractive mixed gambles, other studies show indifference between mixed gambles with an expected value of 0 and the status quo. The current paper...

Individual competitiveness is a personality trait of high importance. While substantial differences between individuals have been documented, the sources of this heterogeneity are not well understood. To contribute to this issue we conduct an incentivized field study with pre-school children. We...