Table 5.

Parameter estimation of Covid-19 case dependent regime-switching model: GD.

	Regime 1		Regime 2		TP	Matrix
	$C_1$	$k_1$	$C_2$	$k_2$	${\delta }_1$	${\xi }_1$	${\delta }_2$	${\xi }_2$
Coeff.	−1.050E−04	−4.034E＋00	1.256E−03	−5.023E＋00	3.173	−0.048	−4.495	−0.089
Std. Err.	1.105E−03	8.758E−02	5.440E−04	8.966E−02	0.940	0.023	1.302	0.034
Loglik	989.344
AIC	−1962.687