DOES MARRIAGE REDUCE CRIME? A COUNTERFACTUAL APPROACH TO WITHIN‐INDIVIDUAL CAUSAL EFFECTS*

Although marriage is associated with a plethora of adult outcomes, its causal status remains controversial in the absence of experimental evidence. We address this problem by introducing a counterfactual life‐course approach that applies inverse probability of treatment weighting (IPTW) to yearly longitudinal data on marriage, crime, and shared covariates in a sample of 500 high‐risk boys followed prospectively from adolescence to age 32. The data consist of criminal histories and death records for all 500 men plus personal interviews, using a life‐history calendar, with a stratified subsample of 52 men followed to age 70. These data are linked to an extensive battery of individual and family background…