Table 2 HP filter decomposition of COVID proxies

Trend (COi, t) Cycle (υi, t) p-value (t)
COVID (2015:1-2019:12)
Mean S.D. Mean S.D.
Unemployed 3.013 0.018 0.008 0.049 0.904
Oil price 2.074 0.040 −0.046 0.129 0.992
Uncertainty 2.100 0.011 −0.029 0.084 0.970
Non-COVID (2020:1-2022:2)
Mean S.D. Mean S.D. p-value (c)
Unemployed 3.013 0.019 −0.001 0.022 0.999
Oil price 3.014 0.019 −0.001 0.022 0.022
Uncertainty 2.077 0.022 0.009 0.176 0.000