Heckman, James J and Todd, Peter E. <br/><br/>
A note on adapting propensity score matching and selection models to choice based samples 
 2009 

 -  2009 
 - S230-S234  V.  12  Issue.   S1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Econometrics
<br/><br/><label>Subjects--Index Terms: </label>Choice based sampling;Matching models;Propensity scores;Selection models;