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Extension - Bayesian Melding for Stochastic Simulation Models

Approximate Bayesian Computation and Simulation-Based Inference for Complex Stochastic Epidemic Models

Approximate Bayesian Computation and Simulation-Based Inference for Complex Stochastic Epidemic Models

... Why is this a useful approach? HM works well in high dimension for several reasons [ Vernon et al. , 2010 ]. It provides a fast, meaningful decision, based on a subset of outputs, as to whether an input point is ...

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Approximate Bayesian Computation and simulation-based inference for complex stochastic epidemic models

Approximate Bayesian Computation and simulation-based inference for complex stochastic epidemic models

... reasons [ Vernon et al. , 2010 ]. It provides a fast, meaningful decision, based on a subset of outputs, as to whether an input point is implausible that is independent of the rest of the input space, and hence can ...

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Bayesian techniques for discrete stochastic volatility models

Bayesian techniques for discrete stochastic volatility models

... Research efforts in the area of MCMC convergence fall mainly into two groups [42]. Methods within the first group analyze the Markov transition kernel of the chain and try to predict a number of iterations that will ...

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Numerical Tools for the Bayesian Analysis of Stochastic Frontier Models

Numerical Tools for the Bayesian Analysis of Stochastic Frontier Models

... of stochastic frontier to economic growth in a wide variety of ...the stochastic frontier approach with Data Envelopment Analysis ...all models considered. KOS (1997b) proposes an extension of ...

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Bayesian Stochastic Partition Models For Markovian Dependence Structures

Bayesian Stochastic Partition Models For Markovian Dependence Structures

... a stochastic algorithm could employ to maximize ...similar stochastic simulation methods give consistent MAP estimates but they can be too slow in some cases when the number of data objects to be ...

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Bayesian Estimation of Non Gaussian Stochastic Volatility Models

Bayesian Estimation of Non Gaussian Stochastic Volatility Models

... by the Normal SV model. This result indicates that the Laplace model (non-Gaussian) is able to predict returns better than the Normal one or the standard Gaussian one. 4. Conclusions In this paper, we have considered the ...

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Bayesian inference for stochastic differential mixed-effects models

Bayesian inference for stochastic differential mixed-effects models

... We also considered a tractable approximation to the SDMEM, the linear noise approxi- mation, and provided a systematic comparison in Chapter 5 using two applications. The computational efficiency of the LNA depends on ...

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A tutorial introduction to Bayesian inference for stochastic epidemic models using Approximate Bayesian Computation

A tutorial introduction to Bayesian inference for stochastic epidemic models using Approximate Bayesian Computation

... faced with when using ABC-MCMC is selecting the and k tuning parameters, which typically requires expensive pilot runs. 2.3 ABC-PMC Several authors have developed algorithms which embed ABC simulation steps in ...

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Bayesian Inference of Stochastic Volatility Models and
Applications in Risk Management.

Bayesian Inference of Stochastic Volatility Models and Applications in Risk Management.

... There are two problems with DCMSV. First, we find that a parameter matrix in the model is partially identified. We proved that the scale of this matrix is unidentified and show that the trace of the parameter matrix ...

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Efficient Bayesian Inference for Multivariate Factor Stochastic Volatility Models

Efficient Bayesian Inference for Multivariate Factor Stochastic Volatility Models

... SV models through such an MCMC scheme, slow convergence and poor mixing ...The simulation study in Section 4 illustrates that this can happen for the standard full conditional sampler even with data ...

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Classical and Bayesian Analysis of Univariate and Multivariate Stochastic Volatility Models

Classical and Bayesian Analysis of Univariate and Multivariate Stochastic Volatility Models

... EIS is a Monte Carlo procedure for the evaluation of high-dimensional interdependent integrals which can be used to accurately compute the likelihood of dynamic latent variable models. It is based upon a global ...

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Frequentist and Bayesian Unit Root Tests in Stochastic Volatility Models

Frequentist and Bayesian Unit Root Tests in Stochastic Volatility Models

... point, simulation based techniques provide an alternative approach to obtain posterior information on the ...in Bayesian analyses. A Bayesian statistican needs to obtain the marginal posterior ...

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Classical and Bayesian Analysis of Univariate and Multivariate Stochastic Volatility Models

Classical and Bayesian Analysis of Univariate and Multivariate Stochastic Volatility Models

... EIS is a Monte Carlo procedure for the evaluation of high-dimensional interdependent integrals which can be used to accurately compute the likelihood of dynamic latent variable models. It is based upon a global ...

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A New Bayesian Unit Root Test in Stochastic Volatility Models

A New Bayesian Unit Root Test in Stochastic Volatility Models

... of stochastic volatility models. This analysis extends the Bayesian unit root test of So and Li (1999, Journal of Business Economic Statistics) in two im- portant ...of Bayesian estimation and ...

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Fast Bayesian parameter estimation for stochastic logistic growth models

Fast Bayesian parameter estimation for stochastic logistic growth models

... numerical simulation approaches that impute all ...approximate models is the Metropolis-within-Gibbs sampler with a symmetric proposal ( Gamerman and Lopes, 2006 ...LNA models, we simulate data and ...

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Forward simulation MCMC with applications to stochastic epidemic models

Forward simulation MCMC with applications to stochastic epidemic models

... Forward simulation MCMC Abstract For many stochastic models it is difficult to make inference about the model parameters since it impossible to write down a tractable likelihood given the observed ...

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Variational Bayesian identification and prediction of stochastic nonlinear dynamic causal models

Variational Bayesian identification and prediction of stochastic nonlinear dynamic causal models

... (CE) models to nonlinear (non-CE) hierarchical ...Carlo simulation series seem to indicate that this convergence rate might be dependent upon the system to be inverted (in our examples, the Lorenz system ...

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Simulation-Based Bayesian Estimation of Affine Term Structure Models

Simulation-Based Bayesian Estimation of Affine Term Structure Models

... A Bayesian approach to estimating continuous-time processes with discretely observed data is presented in Jones (1998), Elerian, Chib, and Shephard (2001) and Eraker ...a stochastic differential equation for ...

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Bayesian nonparametrics for stochastic epidemic models

Bayesian nonparametrics for stochastic epidemic models

... For stochastic models, such underlying assumptions often involve parametric models of some ...such models are then fitted to data, we can obtain esti- mates of quantities of interest such as ...

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Simulation of stochastic blockchain models

Simulation of stochastic blockchain models

... hybrid stochastic automaton developed by EDF ...Carlo simulation [4] engine to assess probabilistic attributes of the model, in an easier way than with a tedious mathematical analysis of the ...

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