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	param	t-stat
$m$	61
$α$	0.0547	20.12
$β$	0.8205	94.64
$γ$	0.0577	13.42
$λ_{1}$	0.0105	2.49
$λ_{2}$	0.0380	3.47
$λ_{3}$	0.9578	75.40

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AT&T Inc MF2-GARCH Volatility Analysis

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