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	param	t-stat
$ω$	1.0781	7.12
$α$	0.1466	9.53
$β$	0.7558	36.72
$γ_{1}$	-0.0152	-0.43
$γ_{2}$	0.0853	1.71
$γ_{3}$	-0.1700	-5.82
$γ_{4}$	0.1750	6.12
$γ_{5}$	-0.1235	-3.99
$γ_{6}$	0.0698	2.27
$γ_{7}$	-0.0298	-0.94
$γ_{8}$	0.0305	0.90
$γ_{9}$	-0.0356	-1.26

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Obayashi Corp Zero Slope Spline-GARCH Volatility Analysis

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