The 2D:4D ratio does not always correlate with economic behavior: A field experiment with African-Americans.

•2D:4D ratio correlates with risk, time, pro-social and self-employment preferences.•We fail to find this correlation with a population of low-income African-Americans.•We measure prenatal exposure to testosterone with the 2D:4D ratio.•We elicit risk, time, and pro-social preferences through a field experiment.•We elicit self-employment preferences through a survey.