Feenstra, Robert <br/><br/>
On the measurement of product variety in trade 
by Robert Feenstra and Hiau Looi Kee 
 - Washington, D.C.  World Bank  2004 
 - 11p. 
 - Policy research working paper; no. 3213 .
<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