Hay, Donald A. <br/><br/>
Industrial economics :  theory and evidence / 
Donald A. Hay and Derek J. Morris. 
 - New York :  Oxford University Press,  1979 
 - x, 649 p. :  ill. ;  24 cm. 
<br/><br/> Errata slip inserted. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0198771126 
<br/><br/><label>LCCN: </label>79317512  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial organization(Econoic theory)