A person's ability to delay instant gratification was also among the most important determinants of higher income, beating age, race, ethnicity and height. For the first time, machine learning enables researchers to rank the most important factors that predict future affluence (n=2,564).

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A person's ability to delay instant gratification was also among the most important determinants of higher income, beating age, race, ethnicity and height. For the first time, machine learning enables researchers to rank the most important factors that predict future affluence (n=2,564).