Markusen, James R. <br/><br/>
A unified treatment of horizontal direct investment, vertical direct investment, and the pattern of trade in goods and services 

 - Cambridge, MA  NBER  1996 
 - 32p 
 - NBER working paper series .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>WP 5696