Noninformative Priors and Bayesian Testing for the AR(1) Model
AR(1) 模型的无信息先验与贝叶斯检验AI 解读 ↓
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AI 根据所提供的论文材料归类:摘要直接围绕 AR(1) 的平稳、单位根与爆炸假设开展贝叶斯分析。
AR(1) 模型的无信息先验与贝叶斯检验AI 解读 ↓
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Various approaches to the development of a noninformative prior for the AR(1) model are considered and compared. Particular attention is given to the reference prior approach, which seems to work well for the stationary case but encounters difficulties in the explosive case. A symmetrized (proper) version of the stationary reference prior is ultimately recommended for the problem. Bayesian testing of the unit root, stationary, and explosive hypotheses is considered also. Bounds on the Bayes factors are developed and shown to yield answers that appear to conflict with classical tests.