Okun, Arthur M. <br/><br/>
Equality and efficiency : the big tradeoff/ 
by Arthur M. Okun. 
 - Washington :  The Brookings Institution,  1975. 
 - 124 p. 
<br/><br/><label>ISBN: </label>0-8157-6476-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.ECONOMÍA