TY - BOOK AU - Angrist, Joshua D AU - Pathak, Parag A AU - Walters, Christopher R ED - National Bureau of Economic Research TI - Explaining charter school effectiveness T2 - NBER Working Paper PY - 2011/// CY - Cambridge PB - NBER KW - NBERWP 17332 KW - E5940.pdf UR - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2011/E5940.pdf ER -