TY - BOOK AU - Bertoletti, Paolo AU - Etro, Federico AU - Simonovska, Ina ED - National Bureau of Economic Research TI - International trade with indirect additivity T2 - NBER Working Paper PY - 2016/// CY - Cambridge PB - NBER KW - NBERWP 21984 KW - E16494.pdf UR - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2016/E16494.pdf ER -