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	param	t-stat
$ω$	1.1263	7.45
$α$	0.1442	9.48
$β$	0.7578	36.74
$γ_{1}$	-0.0067	-0.19
$γ_{2}$	0.0743	1.51
$γ_{3}$	-0.1666	-5.76
$γ_{4}$	0.1739	6.15
$γ_{5}$	-0.1240	-4.05
$γ_{6}$	0.0717	2.36
$γ_{7}$	-0.0333	-1.07
$γ_{8}$	0.0365	1.09
$γ_{9}$	-0.0417	-1.51

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Obayashi Corp Zero Slope Spline-GARCH Volatility Analysis

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