00446pab a2200145 454500008004000000100002300040245010400063260000900167300001200176362000800188650002100196650001200217700002600229773004500255180718b2006   xxu||||| |||| 00| 0 eng d  aMckenzie, David J.  aDo entry costs provide an empirical basis for poverty traps? Evidence from Mexican microenterprises  c2006  ap.3-42.  aOct  aPoverty - Mexico  aPoverty  aWoodruff, Christopher  aEconomic Development and Cultural Change