author = { Chernozhukov, Victor AND Kasahara, Hiroyuki AND Schrimpf, Paul },

title = { Causal impact of masks, policies, behavior on early COVID-19 pandemic in the U.S. },

publisher = {Centre for Microdata Methods and Practice (cemmap)},

keywords = { policies , behavior , Covid-19 , non-essential business , masks , causal impact },

year = {2020},

abstract = {Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.},

url = { http://slubdd.de/katalog?TN_libero_mab2 }