Heckman, James J. <br/><br/>
Accounting for heterogeneity, diversity and general equilibrium in evaluating social programs 

 - Cambridge, Mass. :  National Bureau of Economic Research,  1999 
 - 80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EVALUATION RESEARCH (SOCIAL ACTION PROGRAMS)--ECONOMETRIC MODELS
<br/><br/><label>LC Class. No.: </label>HV11.5  / H424A