Kelly, A. <br/><br/>
Population and income change: recent evidence. 

 - Washington :  World Bank,  1994. 
<br/><br/> This study undertakes an empirical assessment based on international cross country data for the period from 1960s. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population.<br/>Icomes -- Incomes change.--Icomes -- Incomes change.