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Structural dominance in large and stochastic models

机译:大型和随机模型中的结构优势

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The last decade and a half has seen a significant effort to develop and automate methods for identifying structural dominance in system dynamics models. To date, however, the interpretation and testing of these methods has been with small (less than 5 stocks), deterministic models that show smooth behavioral transitions. While the analysis of simple and stable models is an obvious first step to provide proof of concept, the methods have become stable enough to be tested in a wider range of models. In this paper we report the findings from expanding the domain of application these methods in two important dimensions: increasing model size and incorporating stochastic variance in some of the model variables. Exploring the effectiveness of these methods in these two dimensions will increase their applicability into more realistic model analysis situations.
机译:在过去的十五年中,已经做出了巨大的努力来开发和自动化用于识别系统动力学模型中结构优势的方法。但是,到目前为止,这些方法的解释和测试都是使用小型(少于5种股票)的确定性模型进行的,这些模型显示出平稳的行为转换。尽管简单而稳定的模型分析显然是提供概念验证的第一步,但这些方法已经变得足够稳定,可以在更广泛的模型中进行测试。在本文中,我们报告了在两个重要方面扩展这些方法的应用范围的结果:增加模型大小以及将随机方差纳入某些模型变量中。在这两个维度上探索这些方法的有效性将提高其在更现实的模型分析情况下的适用性。

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