“…See Elbourne and Ji (2019) and Boeckx, Dossche, Galesi, Hofmann, and Peersman (2019). 5 For example, Gambacorta, Hofmann, and Peersman (2014) Gertler and Karadi (2015), Li and Zanetti (2016), Jarociński and Karadi (2020), Lhuissier and Szczerbowicz (2018), and Caldara and Herbst (2019). Kim, Laubach, and Wei (2020) deploy a strategy closer to our benchmark specification; the authors estimate the macroeconomic effects of Federal Reserve's large scale asset purchases (LSAP) using a structural VAR with external instruments.…”