@article{Abadie2010,
author = {Abadie, A. and Diamond, A. and Hainmueller, J.},
title= {Synthetic control methods for comparative case studies: Estimating the effect of California’s tobacco control program},
year = {2010},
doi = {10.1198/jasa.2009.ap08746},
journal = {Journal of American Statistical Association},
volume = {105},
number = {490},
pages = {493--505},
}