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GARCH cu Corelație Condiționată Dinamică Bayesiană (Bayesian DCC-GARCH)×Modelul Vector Autoregresiv Bayesian (BVAR)×
DomeniuEconometrieEconometrie
FamilieRegression modelRegression model
Anul apariției2002 (DCC); 2000s (Bayesian extension)1984
Autorul originalEngle (2002) for DCC; Bayesian extension via MCMC literature (2000s onwards)Doan, Litterman & Sims
TipMultivariate volatility modelMultivariate time-series model
Sursa seminalăEngle, R. F. (2002). Dynamic conditional correlation: A simple class of multivariate generalized autoregressive conditional heteroskedasticity models. Journal of Business and Economic Statistics, 20(3), 339-350. DOI ↗Doan, T., Litterman, R., & Sims, C. (1984). Forecasting and conditional projection using realistic prior distributions. Econometric Reviews, 3(1), 1–100. DOI ↗
Denumiri alternativeBayesian DCC-GARCH, Bayesian Dynamic Conditional Correlation, MCMC DCC-GARCH, Bayesian multivariate volatility modelBVAR, Bayesian VAR, Bayesian vector autoregressive model, BVAR model
Înrudite65
RezumatBayesian DCC-GARCH estimates time-varying correlations across multiple financial or economic series by combining Engle's DCC-GARCH structure with Bayesian inference. Rather than maximising a likelihood, it places prior distributions over all parameters and uses Markov Chain Monte Carlo (MCMC) sampling to produce full posterior distributions, yielding richer uncertainty quantification than classical DCC-GARCH.The Bayesian Vector Autoregression (BVAR) model extends the classical VAR framework by incorporating prior beliefs about the model coefficients. Priors — most commonly the Minnesota prior — shrink VAR coefficients toward economically sensible values, dramatically reducing overfitting and improving out-of-sample forecast accuracy even when the number of variables is large.
ScholarGateSet de date
  1. v1
  2. 2 Surse
  3. PUBLISHED
  1. v1
  2. 2 Surse
  3. PUBLISHED

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ScholarGateCompară metode: Bayesian DCC-GARCH · Bayesian VAR model. Preluat la 2026-06-15 de pe https://scholargate.app/ro/compare