A longitudinal study of children in North Carolina found that better parental supervision of children in early adolescence was associated with higher household income of the child at age 35. Children of parents who did not engage in adequate supervision earned approximately $14,000 less per year compared to those who did. The study was published in PLOS One. ...
This is completely different though. You can’t assume that the results from a study about supervision would somehow perfectly overlap with a study about wealth. They’d be two entirely different studies.