Freeman, Richard et al <br/><br/>
How does declining unionism affect the American middle class and intergenerational mobility? / 
Richard Freeman et al 
 - Cambridge  NBER  2015 
 - 32p 
 - NBER Working Paper ;  21638 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 21638<br/>E15732.pdf