TY - BOOK AU - Luo, Hong AU - Mortimer, Julie Holland ED - National Bureau of Economic Research TI - Copyright enforcement: Evidence from two field experiments T2 - NBER Working Paper PY - 2016/// CY - Cambridge PB - NBER KW - NBERWP 22082 KW - E16631.pdf UR - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2016/E16631.pdf ER -