Local scale models: state space alternative to integrated GARCH processes
State space alternative to autoregressive conditional heteroskedasticity models are proposed. The initial model, which is labelled the Gaussian local scale model, has a measurement density which is Gaussian, conditional on the unobservable precision. The precision is assumed to be a gamma variable w...
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| פורמט: | Journal article |
| שפה: | English |
| יצא לאור: |
Elsevier
1994
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| נושאים: |
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Local Scale Models: State Space Alternative to Integrated GARCH Processes.
יצא לאור 1994
Journal article