TY - BOOK AU - Marti, Joachim et al ED - National Bureau of Economic Research TI - To vape or smoke?: A Discrete choice experiment among U.S. Adult smokers T2 - NBER Working Paper PY - 2016/// CY - Cambridge PB - NBER KW - NBERWP 22079 KW - E16628.pdf UR - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2016/E16628.pdf ER -