Содержание
- 2. Modeling Unequal Variability Equal Variability: Homoscedasticity Unequal Variability: Heteroscedasticity Means any variability (around the mean) that
- 3. What These Acronym Mean? ARCH Autoregressive Conditional Heteroscedasticity GARCH Generalized ARCH
- 4. Information in e2 Let εt have the mean 0 and the variance σt. Let et be
- 5. ARCH Modeling of σt2. ARCH(1) ARCH as AR(1) on
- 6. GARCH GARCH(1) GARCH (1) as ARMA(1,1) on
- 7. Asymmetry in GARCH - TARCH TARCH(1,1) d = 1 if εt 0
- 8. Asymmetry in GARCH - EGARCH EGARCH(1,1)
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