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	param	t-stat
$ω$	0.6765	5.91
$α$	0.0838	7.91
$β$	0.8785	58.21
$γ_{1}$	-0.0692	-3.81
$γ_{2}$	0.0997	3.61
$γ_{3}$	-0.0422	-2.21
$γ_{4}$	0.0070	0.41
$γ_{5}$	0.0118	0.90

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