Ahn, Thomas <br/><br/>
The Impact of no child left behind`s accountability sanction on school performance regression discontinuity evidence from North Carolina / 
Thomas Ahn and Jacob Vigdor 
 - Cambridge  NBER  2014 
 - 48p 
 - NBER Working Paper ;  20511 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>NBERWP 20511<br/>E12987.pdf