Barro, Robert J. <br/><br/>
Macroeconomics / 
Robert J. Barro. 
 - 4th ed. 
 - New York :  Wiley,  c1993. 
 - xxi, 599, 14 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references:  p. 575-586. 
<br/><br/><label>ISBN: </label>0471599530 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Macroeconomics.