Generalized Autoregressive Conditional Heteroskedastic Model to Examine Silver Price Volatility and Its Macroeconomic Determinant in Ethiopia Market

Table 1

Summary statistics for monthly prices of silver (price per gram in birr) and their return series.

Statistic	Price	Return series
Mean	35.57731	0.011810
Median	29.13362	0.003608
Maximum	109.1157	0.385227
Minimum	6.086868	−0.436659
Std. dev.	25.52546	0.112231
Skewness	1.209819	−0.293167
Kurtosis	3.437361	5.326049
Jarque–Bera	48.61935	46.03432
Probability	0.00000	0.00000
Observations	193	192