Andreoni, James et al <br/><br/>
Using preference estimates to customize incentives :  An Application to polio vaccination drives in Pakistan / 
James Andreoni et al 
 - Cambridge  NBER  2016 
 - 66p 
 - NBER Working Paper ;  22019 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 22019<br/>E16538.pdf