Helpman, Elhanan. <br/><br/>
A theory of international trade under uncertainty / 
Elhanan Helpman, Assaf Razin. 
 - New York :  Academic Press ,  1978. 
 - xii, 185 p. ;  ill. ;  24 cm. 
 - Economic theory, econometrics, and mathematical economics .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0123396506 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International economic relations.<br/>Balance of payments.<br/>International finance.