Ward, Benjamin,  1926- <br/><br/>
Elementary price theory / 
Benjamin Ward 
 - New York :  Free Press,  1967 
 - viii, 184 p. ;  24 cm. 
<br/><br/>Bibliographical references included in'Additional readings' (p. 177-179) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Prices<br/>Supply and demand