Ravallion, Martin  <br/><br/>
On measuring aggregate "social efficiency" / 
Martin Ravallion 
 - Washington, D.C. :  World Bank (WB) ,  2003 
 - 29p. :  ill. ;   28 cm.  
 - Policy research working paper ;  3166 .
<br/><br/>Includes bibliographical references. 
<br/><br/>
<br/><br/><br/>Mode of access: World Wide Web. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quality of life<br/>Social indicators<br/>Life expectancy
<br/><br/><label>Gov. Doc. Class. No.: </label>UN WB PRWP-3166