Helpman, Elhanan. <br/><br/>
Market structure and foreign trade : increasing returns, imperfect competition, and the international economy  [Books]. 
Elhanan Helpman and Paul R. Krugman. 
 - Cambridge, Mass.  MIT Press  1985 
 - Pages: 271 
<br/><br/> Abstracts Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0262081504  0.00 
<br/><br/><label>LCCN: </label>84001823 
<br/><br/><label>Subjects--Personal Names: </label><br/>Competition, Imperfect.<br/>Economies of scale.<br/>Industrial organization (Economic theory).<br/>International economic relations.