Mckenzie, David J.; Gibson, John; Stillman, Steven <br/><br/>
How important is selection? experimental vs non experimental measures of the income gains from migration 

 - Washington DC  World Bank  2006 
 - 47  See WB 332.6 MCK 
<br/><br/> Includes Acc. No. (30101, 30180, 30108, 30104, 30105) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Income distribution