Feenstra, Robert <br/><br/>
Export variety and country productivity 
by Robert Feenstra and Hiau Looi Kee 
 - Washington, D.C.  World Bank  2004 
 - 44p. 
 - Policy research working paper; no. 3412 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>International trade --Case studies.<br/>Exports --Case studies<br/>Industrial productivity --Case studies<br/>Product differentiation --Case studies