People typically provide overly optimistic social comparisons when rating their competence relative to their peers. Previous work has shown that poor performers overestimate their performances the most because their incompetence deprives them of the skills needed to recognize their deficits....

We investigated the relationship between democratically determined economic inequality and cooperation in a two-stage experimental design. Although the relationship between inequality and cooperation has been studied extensively, experimental results in this area are contradictory and find...