have urdergone two selection processes: selection into the divorced status and
variable capturing the sample selection to correct for the impact of sample
chiidren on women's wage rates (for which a theoretical expianation woui d be.
Sep 25, 2009 Joshua Angrist, forthcoming in the New Palgrave. 1 .. After estimation (in Stata), the propensity scores can be obtained .. Moreover, as noted by Hahn (1998), cited in Angrist&Pischke (2009), the asymptotic standard.