Bravo-Ortega, Claudio <br/><br/>
The relative richness of the poor?: natural resources, human capital and economic growth 
by Claudio Bravo-Ortega and Jose De Gregorio 
 - Washington, D.C.  World Bank  2005 
 - 47p. 
 - Policy research working paper; no. 3484 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic development --Mathematical models<br/>Poor --Mathematical models<br/>Income --Mathematical models<br/>Human capital --Mathematical models<br/>Natural resources --Mathematical models