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An outlier robust hierarchical Bayes model for forecasting: the case of Hong Kong

机译:异常鲁棒的分级贝叶斯模型进行预测:以香港为例

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摘要

This paper introduces a Bayesian forecasting model that accommodates innovative outliers. The hierarchical specification of prior distributions allows an identification of observations contaminated by these outliers and endogenously determines the hyperparameters of the Minnesota prior. Estimation and prediction are performed using Markov chain Monte Carlo (MCMC) methods. The model forecasts the Hong Kong economy more accurately than the standard V AR and performs in line with other complicated BV AR models. It is also shown that the model is capable of finding most of the outliers in various simulation experiments.
机译:本文介绍了可容纳创新异常值的贝叶斯预测模型。先验分布的层次规范可以识别受这些异常值污染的观测值,并内生地确定明尼苏达州先验的超参数。估计和预测使用马尔可夫链蒙特卡洛(MCMC)方法执行。该模型比标准V AR更准确地预测香港经济,并且与其他复杂的BV AR模型相符。还表明该模型能够在各种模拟实验中找到大多数异常值。

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