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Bayesiansk ARCH-model

Den Bayesianske ARCH-model estimerer Engle's Autoregressive Conditional Heteroskedasticity-specifikation inden for et Bayesiansk rammeværk. I stedet for at maksimere en likelihood kombinerer den en prior-fordeling over volatilitetsparametrene med data-likelihooden for at opnå en fuld posterior-fordeling, hvilket giver en rigere kvantificering af usikkerhed end klassisk maximum-likelihood ARCH.

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Kilder

  1. Engle, R. F. (1982). Autoregressive conditional heteroscedasticity with estimates of the variance of United Kingdom inflation. Econometrica, 50(4), 987–1007. DOI: 10.2307/1912773
  2. Geweke, J. (1989). Exact predictive densities for linear models with ARCH disturbances. Journal of Econometrics, 40(1), 63–86. DOI: 10.1016/0304-4076(89)90030-4

Sådan citerer du denne side

ScholarGate. (2026, June 3). Bayesian Autoregressive Conditional Heteroskedasticity Model. ScholarGate. https://scholargate.app/da/econometrics/bayesian-arch-model

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ScholarGateBayesian ARCH model (Bayesian Autoregressive Conditional Heteroskedasticity Model). Hentet 2026-06-15 fra https://scholargate.app/da/econometrics/bayesian-arch-model · Datasæt: https://doi.org/10.5281/zenodo.20539026