Fig. 10

Cumulative impulse responses of policy P and infection growth I. The impulse responses are estimated using the recursively ordered VAR(4) in (4) with \(k=3\) and B omitted, \(P=\Delta\) \({\text {KSI}}^+\), \(I = \ln R_e\) and with (red) and without (blue) time fixed effects. The data span September 28, 2020, until April 18, 2021. The shaded areas represent the 95% confidence intervals based on a wild bootstrap procedure with 5000 repetitions. The horizontal axes depict the time horizon in weeks. The vertical axes show the level response of the \({\text {KSI}}^+\) (left) and \(\ln {\text {NINF}}\) (right)