#41 - David Roodman on incarceration, geomagnetic storms, & becoming a world-class researcher

With 698 inmates per 100,000 citizens, the U.S. is by far the leader among large wealthy nations in incarceration. But what effect does imprisonment actually have on crime?<br><br> According to David Roodman, Senior Advisor to the Open Philanthropy Project, the marginal effect is zero.<br><br> * <b>80,000 HOURS IMPACT SURVEY</b> - Let me know how this show has helped you with your career.<br> * <b>ROB'S AUDIOBOOK RECOMMENDATIONS</b><p> This stunning rebuke to the American criminal justice system comes from the man Holden Karnofsky’s called "the gold standard for in-depth quantitative research", whose other investigations include th...