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	param	t-stat
$ω$	1.3081	6.72
$α$	0.0995	6.07
$β$	0.8409	31.03
$γ_{1}$	0.0241	2.15
$γ_{2}$	-0.0312	-1.82
$γ_{3}$	0.0122	0.95
$γ_{4}$	-0.0272	-1.32

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Ecology and Environment Inc Spline-GARCH Volatility Analysis

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Date Range:

Parameter Estimates

News Impact Curve

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