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AI 根据所提供的论文材料归类:摘要讨论通用拟似然及贝叶斯误设推断,没有明确对应给定细分的特定经济模型。

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关注这篇论文的作者
Jae-Young Kim

模型可能误设时的替代拟似然、贝叶斯分析与模型设定推断

研究问题
在模型可能误设时,如何从拟似然中提取有限但相关的信息,并建立经典推断与贝叶斯推断之间的大样本对应关系?
方法与思路
作者从给定拟似然构造有限信息拟似然LI-QL,研究相应后验与拟极大似然估计量的渐近关系,并开发模型设定分析方法。
材料陈述的贡献
摘要称LI-QL扩展了拟似然推断的稳健性范围,且其后验与对应估计量共享三明治型渐近二阶矩,可形成贝叶斯对应方法。
阅读关注点
应核对似然过滤的具体构造、有限信息的含义、先验与正则条件,以及三明治型二阶矩对应和模型设定分析的适用范围。
阅读边界
摘要未说明误设类型、具体推断问题或有限样本结果;共享渐近二阶矩不能单独证明后验区间在所有误设情形下均有效。

原文摘要

This paper studies an alternative quasi likelihood approach under possible model misspecification. We derive a filtered likelihood from a given quasi likelihood (QL), called a limited information quasi likelihood (LI-QL), that contains relevant but limited information on the data generation process. Our LI-QL approach, in one hand, extends robustness of the QL approach to inference problems for which the existing approach does not apply. Our study in this paper, on the other hand, builds a bridge between the classical and Bayesian approaches for statistical inference under possible model misspecification. We can establish a large sample correspondence between the classical QL approach and our LI-QL based Bayesian approach. An interesting finding is that the asymptotic distribution of an LI-QL based posterior and that of the corresponding quasi maximum likelihood estimator share the same “sandwich”-type second moment. Based on the LI-QL we can develop inference methods that are useful for practical applications under possible model misspecification. In particular, we can develop the Bayesian counterparts of classical QL methods that carry all the nice features of the latter studied in White (1982). In addition, we can develop a Bayesian method for analyzing model specification based on an LI-QL.

笔记与分组