d SJ4-2 st0026_1. Estimation of averate treatment effects ... d Estimation of average treatment effects based on d propensity scores d by Sascha O. Becker, University of Munich d Andrea Ichino, EUI d Support: so.b@@gmx.net, andrea.ichino@@iue.it d After installation, type help ^attk^, ^attnd^, ^attnw^, d ^attr^, ^atts^, and ^pscore^ f st0026_1/attk.ado f st0026_1/attk.hlp f st0026_1/attnd.ado f st0026_1/attnd.hlp f st0026_1/attnw.ado f st0026_1/attnw.hlp f st0026_1/attr.ado f st0026_1/attr.hlp f st0026_1/atts.ado f st0026_1/atts.hlp f st0026_1/pscore.ado f st0026_1/pscore.hlp