Rossi-Hansberg, Esteban  <br/><br/>
Diverging trends in national and local concentration / 
Esteban Rossi-Hansberg, Pierre-Daniel Sarte and Nicholas Trachter 
 - Cambridge  NBER  2018 
 - 41p 
 - NBER Working Paper ;  25066 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 25066<br/>E23343.pdf