TY - BOOK AU - Finkelstein, Amy AU - Gentzkow, Matthew AU - Williams, Heidi ED - National Bureau of Economic Research TI - Sources of geographic variation in health care: Evidence from patient migration T2 - NBER Working Paper PY - 2014/// CY - Cambridge PB - NBER KW - NBERWP 20789 KW - E13944.pdf UR - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2014/E13944.pdf ER -