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Bayesian model comparison for time‐varying parameter VARs with stochastic volatility
We develop importance sampling methods for computing two popular Bayesian model
comparison criteria, namely, the marginal likelihood and the deviance information criterion …
comparison criteria, namely, the marginal likelihood and the deviance information criterion …
[HTML][HTML] Achieving shrinkage in a time-varying parameter model framework
Shrinkage for time-varying parameter (TVP) models is investigated within a Bayesian
framework, with the aim to automatically reduce time-varying parameters to static ones, if the …
framework, with the aim to automatically reduce time-varying parameters to static ones, if the …
[HTML][HTML] Triple the gamma—A unifying shrinkage prior for variance and variable selection in sparse state space and TVP models
Time-varying parameter (TVP) models are very flexible in capturing gradual changes in the
effect of explanatory variables on the outcome variable. However, in particular when the …
effect of explanatory variables on the outcome variable. However, in particular when the …
Bayesian compressed vector autoregressions
Macroeconomists are increasingly working with large Vector Autoregressions (VARs) where
the number of parameters vastly exceeds the number of observations. Existing approaches …
the number of parameters vastly exceeds the number of observations. Existing approaches …
Forecasting in the presence of instabilities: How we know whether models predict well and how to improve them
B Rossi - Journal of Economic Literature, 2021 - aeaweb.org
This article provides guidance on how to evaluate and improve the forecasting ability of
models in the presence of instabilities, which are widespread in economic time series …
models in the presence of instabilities, which are widespread in economic time series …
Reducing the state space dimension in a large TVP-VAR
This paper proposes a new approach to estimating high dimensional time varying parameter
structural vector autoregressive models (TVP-SVARs) by taking advantage of an empirical …
structural vector autoregressive models (TVP-SVARs) by taking advantage of an empirical …
Asymmetric conjugate priors for large Bayesian VARs
JCC Chan - Quantitative Economics, 2022 - Wiley Online Library
Large Bayesian VARs are now widely used in empirical macroeconomics. One popular
shrinkage prior in this setting is the natural conjugate prior as it facilitates posterior …
shrinkage prior in this setting is the natural conjugate prior as it facilitates posterior …
Parsimony inducing priors for large scale state–space models
State–space models are commonly used in the engineering, economic, and statistical
literature. They are flexible and encompass many well-known statistical models, including …
literature. They are flexible and encompass many well-known statistical models, including …
Fast computation of the deviance information criterion for latent variable models
JCC Chan, AL Grant - Computational Statistics & Data Analysis, 2016 - Elsevier
The deviance information criterion (DIC) has been widely used for Bayesian model
comparison. However, recent studies have cautioned against the use of certain variants of …
comparison. However, recent studies have cautioned against the use of certain variants of …
Fast and accurate variational inference for large Bayesian VARs with stochastic volatility
We propose a new variational approximation of the joint posterior distribution of the log-
volatility in the context of large Bayesian VARs. In contrast to existing approaches that are …
volatility in the context of large Bayesian VARs. In contrast to existing approaches that are …