Michalopoulos, Stelios <br/><br/>
On the ethnic origins of African development chiefs and pre-colonial political centralization / 
Stelios Michalopoulos and Elias Papaioannou 
 - Cambridge  NBER  2014 
 - 53p 
 - NBER Working Paper ;  20513 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 20513<br/>E12989.pdf