Table 2.

Basic structural model with trend and seasonality COVID-19 proxy shocks. Average RMSE between seasonally adjusted simulated and estimated time series, 1000 replications.

T	CiSSA		TRAMO-	X-11	CiSSA*	TRAMO-	X11*
	$L=48$	$L_{max}$	SEATS		$L_{max}$	SEATS*
	COVID-19 period (Last 12 observations)
97	0.073	0.073	0.083	0.095	0.249	0.255	0.251
193	0.109	0.092	0.099	0.117	0.302	0.319	0.317
289	0.146	0.109	0.115	0.136	0.333	0.369	0.367
	Whole sample
97	0.059	0.059	0.062	0.068	0.106	0.107	0.107
193	0.059	0.064	0.057	0.062	0.091	0.096	0.098
289	0.062	0.074	0.056	0.062	0.088	0.092	0.094