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	param	t-stat
$m$	106
$α$	0.1547	26.95
$β$	0.6382	60.84
$γ$	0.0565	5.57
$λ_{1}$	0.0288	0.87
$λ_{2}$	0.0141	3.58
$λ_{3}$	0.9827	168.24

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GAS Natural BAN SA MF2-GARCH Volatility Analysis

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