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. 2021 Jul 10;28(47):67167–67184. doi: 10.1007/s11356-021-15064-1

Table 8.

AR (1) – GJR (1, 1) model estimates

Brunei Indonesia Malaysia Singapore Thailand Vietnam
CF

− 0.0115*

(0.000)

− 0.0221*

(0.000)

− 0.0144*

(0.001)

− 0.021*

(0.000)

− 0.0122*

(0.001)

− 0.0323*

(0.000)

CFI

0.0011*

(0.001)

0.01231*

(0.000)

0.0034*

(0.000)

0.0422*

(0.000)

0.0031*

(0.000)

0.0022*

(0.000)

0.0002*

(0.000)

0.0011*

(0.001)

0.0021*

(0.000)

0.0023*

(0.000)

0.0028*

(0.000)

0.0001*

(0.000)

0.0252*

(0.000)

0.0231*

(0.000)

0.0188*

(0.000)

0.0546*

(0.000)

0.0321*

(0.000)

0.0342*

(0.000)

β

0.4322*

(0.000)

0.112*

(0.001)

0.1889*

(0.000)

0.22*

(0.000)

0.432*

(0.000)

0.532*

(0.000)

0.1124*

(0.000)

0.116*

(0.000)

0.234*

(0.001)

0.385*

(0.001)

0.2231*

(0.000)

0.542*

(0.001)

Dp

1.321*

(0.000)

1.98*

(0.000)

2.11*

(0.000)

2.32*

(0.000)

2.88*

(0.000)

2.652*

(0.000)

Λ

− 0.2131*

(0.000)

− 0.0121*

(0.000)

0.1887*

(0.000)

− 0.4456*

(0.000)

0.122*

(0.000)

0.0324*

(0.000)

LL 2116.21 583.11 972.00 556.11 235.34 116.56
AIC − 4211.1 − 331.66 − 22.34 − 221.43 − 234.24 − 99.11
BIC − 2991.21 − 667.24 − 211.32 − 335.121 − 212.22 − 985.21

CF shows constant factor, CF1 shows COVID-19 fear index, Dp shows dependent variable, β characterized the coefficient of the variance in volatility index, Λ shows the level of autonomy parameter, is the AR (1) estimation parameter, ∩ and ∅ are the GJR (1, 1) estimation parameters. Significance level (p-value < 0.01, 0.05 and 0.10)