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Bayesian dynamic forecasting
Bayesian longitudinal/panel-data models
Bayesian linear and nonlinear DSGE models
Bayesian threshold autoregressive models
You may also be interested in other existing features, including
In Bayesian analysis, we seek a balance between prior information in a form of expert knowledge
or belief and evidence from data at hand. Achieving the right balance is one of the difficulties in
Bayesian modeling and inference. In general, we should not allow the prior information to overwhelm
the evidence from the data, especially when we have a large data sample. A famous theoretical
result, the Bernstein–von Mises theorem, states that in large data samples, the posterior distribution is
independent of the prior distribution and, therefore, Bayesian and likelihood-based inferences should
yield essentially the same results. On the other hand, we need a strong enough prior to support weak
evidence that usually comes from insufficient data. It is always good practice to perform sensitivity
analysis to check the dependence of the results on the choice of a prior.
mean and posterior standard deviation, involve integration. If the integration cannot be performed
analytically to obtain a closed-form solution, sampling techniques such as Monte Carlo integration
and MCMC and numerical integration are commonly used.
Bayesian hypothesis testing can take two forms, which we refer to as interval-hypothesis testing
and model-hypothesis testing. In an interval-hypothesis testing, the probability that a parameter or
a set of parameters belongs to a particular interval or intervals is computed. In model hypothesis
testing, the probability of a Bayesian model of interest given the observed data is computed.
Model comparison is another common step of Bayesian analysis. The Bayesian framework provides
a systematic and consistent approach to model comparison using the notion of posterior odds and
related to them Bayes factors. See [BAYES] bayesstats ic for details.
Finally, prediction of some future unobserved data may also be of interest in Bayesian analysis.
The prediction of a new data point is performed conditional on the observed data using the so-called
posterior predictive distribution, which involves integrating out all parameters from the model with
respect to their posterior distribution. Again, Monte Carlo integration is often the only feasible option
for obtaining predictions. Prediction can also be helpful in estimating the goodness of fit of a model.
Also, dynamic stochastic general equilibrium (DSGE) models are known to have parameters that have direct economic interpretations and often have logical bounds that can be easily incorporated by a variety of prior distributions.
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