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首页> 外文期刊>The Review of Economic Studies >Simulated Non-Parametric Estimation of Dynamic Models
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Simulated Non-Parametric Estimation of Dynamic Models

机译:动态模型的模拟非参数估计

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This paper introduces a new class of parameter estimators for dynamic models, called simulated non-parametric estimators (SNEs). The SNE minimizes appropriate distances between non-parametric conditional (or joint) densities estimated from sample data and non-parametric conditional (or joint) densities estimated from data simulated out of the model of interest. Sample data and model-simulated data are smoothed with the same kernel, which considerably simplifies bandwidth selection for the purpose of implementing the estimator. Furthermore, the SNE displays the same asymptotic efficiency properties as the maximum-likelihood estimator as soon as the model is Markov in the observable variables. The methods introduced in this paper are fairly simple to implement, and possess finite sample properties that are well approximated by the asymptotic theory. We illustrate these features within typical estimation problems that arise in financial economics.
机译:本文介绍了用于动态模型的一类新的参数估计器,称为模拟非参数估计器(SNE)。 SNE使从样本数据估计的非参数条件(或联合)密度与从感兴趣模型之外模拟的数据估计的非参数条件(或联合)密度之间的适当距离最小化。样本数据和模型仿真数据使用相同的内核进行平滑处理,这大大简化了带宽选择,以实现估算器。此外,只要模型的可观察变量为马尔可夫,SNE就会显示与最大似然估计器相同的渐近效率属性。本文介绍的方法实施起来非常简单,并且具有由渐近理论很好地近似的有限样本属性。我们在金融经济学中出现的典型估计问题中说明了这些特征。

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