Bound, John <br/><br/>
Double trouble : on the value of twins-based estimation of the return to schooling 

 - Cambridge, Mass. :  National Bureau of Economic Research,  1998 
 - 31 
<br/><br/><label>Subjects--Topical Terms: </label><br/>TWINS--EDUCATION<br/>WAGES--EFFECT OF EDUCATION ON<br/>ECONOMICS--RESEARCH
<br/><br/><label>LC Class. No.: </label>BF723 .T9  / B686D