Sawyer, Malcolm C. <br/><br/>
The economics of industries and firms :  theories, evidence and policy / 
Malcolm C. Sawyer. 
 - 2nd ed. 
 - London :  Routledge,  1985. 
 - ix, 322 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references: p. 302-315. 
<br/><br/><label>ISBN: </label>0415066042 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industrial organization (Economic theory)<br/>Business enterprises.