Lau, J.L. <br/><br/>
Education and productivity in developing countries: An aggregate production function approach. 

 - Washington :  World Bank,  1991. 
 - Working papers series;no. 612 .
<br/><br/> This paper explains why education varies in its effectiveness, especially where the effect appears to be negative. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education.<br/>Educational policy -- Educational planning//Developing countries/.--Educational policy -- Educational planning//Developing countries/.