TY - BOOK AU - Allcott, Hunt AU - Sunstein, Cass R ED - National Bureau of Economic Research TI - Regulating internalities T2 - NBER Working Paper PY - 2015/// CY - Cambridge PB - NBER KW - NBERWP 21187 KW - E14839.pdf UR - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2015/E14839.pdf ER -