TY - BOOK AU - Doudchenko, Nikolay AU - Imbens, Guido W ED - National Bureau of Economic Research TI - Balancing, regression, difference in differences and synthetic control methods: A Synthesis T2 - NBER Working Paper PY - 2016/// CY - Cambridge PB - NBER KW - NBERWP 22791 KW - E18350.pdf UR - http://elibrary.igidr.ac.in/e-library/working papers/NBER/2016/E18350.pdf ER -