Mankiw Grerory, N <br/><br/>
Macro Economics / 
by N. Gregory Mankiw  
 - 4thed. 
 - New York:  Worth Publishers,  1992 
 - p.553 
<br/><br/><label>ISBN: </label>1572596449 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics <br/>Macroeconomics and related topics
<br/><br/><label>Dewey Class. No.: </label>339  / MAN-M.4