Chatterji, Aaron <br/><br/>
Clusters of entrepreneurship and innovation / 
Aaron Chatterji, Edward L. Glaeser and William R. Kerr 
 - Cambridge  NBER  2013 
 - 38p 
 - NBER Working Paper ;  19013 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 19013<br/>E9812.pdf