Mathematics · Econometrics & Time Series Analysis
When the variance of a financial time series changes over time (volatility clustering / heteroskedasticity), which of the following models is most suitable?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1ARCH and GARCH models✓
- 2ARMA model
- 3MA model
- 4AR model
Correct answer
ARCH and GARCH models
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