Unconditional income (an additional $4,000 per year) reduced arrests for 16 and 17 year olds by 22%.

"The results for parental arrests indicate that parents are engaging in less destructive behavior as a result of the increased income......with regard to the criminal arrests, American Indians (who received unconditional income) have diverged and now are less likely than the non-American Indians (whose rates of arrests remained constant over time) to commit these minor crimes."