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Table 3 The GARCH parameters for the PET sector

From: Uncertainty and energy-sector equity returns in Iran: a Bayesian and quasi-Monte Carlo time-varying analysis

Method

μ

η 1

η 2

η 3

η 4

η 5

η 6

η 7

ω

η 8

η 9

η 10

η 11

η 12

LBFGS

9.3e-4

-3.4e-2

8.2e-1

2.9e-1

−7.4e−1

-1.3e-1

1.2e-3

−9.8e-3

7.5e-7

4.1e-2

2.6e-7

9.5e-1

7.3e−5

3.1e-9

QMC

5.6e−4

1.1e-6

9.8e-7

3.1e-6

2.7e-6

2.6e-6

2.7e-9

3.9e-9

5.6e−8

-5.9e-4

5.3e-8

5.6e-4

1.1e-6

1.5e-7

Bayesian

-4.7e-3

5.8e-3

-8.1e-3

9.7e-3

7.5e-3

−2.7e-2

−1.2e-2

−6.8e-3

4.3e-3

−7.2e-3

4.9e-3

1.3e−2

9.7e−3

-2.4e-3