Ravallion, Martin <br/><br/>
On measuring aggregate " social efficiency " 

 - Washington DC  World Bank  2003 
 - 29  See WB 363 RAV 
<br/><br/> Includes Acc. No. (29164, 29114, 28727, 28716, 29111) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social efficiency