Guido Imbens, Thai Pham, Stafan Wager American Economic Review, 107(5), May 2017: 278-281
URL: https://www.aeaweb.org/articles?id=10.1257/aer.p20171042
Guido Imbens, Thai Pham, Stafan Wager American Economic Review, 107(5), May 2017: 278-281
URL: https://www.aeaweb.org/articles?id=10.1257/aer.p20171042