RT Article T1 Does marriage reduce crime? A counterfactual approach to within-individual causal effects JF Criminology VO 44 IS 3 SP 465 OP 508 A1 Sampson, Robert J. 1956- A2 Wimer, Christopher A2 Laub, John H. LA English YR 2006 UL https://krimdok.uni-tuebingen.de/Record/1912518716 DO 10.1111/j.1745-9125.2006.00055.x