From: Modeling variations in the cedi/dollar exchange rate in Ghana: an autoregressive conditional heteroscedastic (ARCH) models
Variable
Coefficients
Standard error
T-statistic
Probability
Mean
0.001923
0.0004442
4.329
0.000015
Omega
0.00001427
0.000004939
2.89
0.003843
Alpha
1
0.2271
4.403
0.0000107
Beta
0.2711
0.02162
3.785
0.000154