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Monitoring transmission of systemic risk: application of partial least squares structural equation modeling in financial stress testing
Journal of Risk ( IF 0.3 ) Pub Date : 2018-01-01 , DOI: 10.21314/jor.2018.386
Necmi K. Avkiran , Christian M. Ringle , Rand Low

Regulators need a method that is versatile, is easy to use and can handle complex path models with latent (not directly observable) variables. In a first application of partial least squares structural equation modeling (PLS-SEM) in financial stress testing, we demonstrate how PLS-SEM can be used to explain the transmission of systemic risk. We model this transmission of systemic risk from shadow banking to the regulated banking sector (RBS) using a set of indicators (directly observable variables) that are sources of systemic risk in shadow banking and consequences of systemic risk measured in the RBS. Procedures for predictive model assessment using PLS-SEM are outlined in clear steps. Statistically significant results based on predictive modeling indicate that around 75% of the variation in systemic risk in the RBS can be explained by microlevel and macrolevel linkages that can be traced to shadow banking (we use partially simulated data). The finding that microlevel linkages have a greater impact on the contagion of systemic risk highlights the type of significant insight that can be generated through PLS-SEM. Regulators can use PLS-SEM to monitor the transmission of systemic risk, and the demonstrated skills can be transferred to any topic with latent constructs.

中文翻译:

监测系统性风险的传递:偏最小二乘结构方程模型在金融压力测试中的应用

监管者需要一种通用、易于使用且可以处理具有潜在(不可直接观察)变量的复杂路径模型的方法。在偏最小二乘结构方程模型 (PLS-SEM) 在金融压力测试中的首次应用中,我们展示了如何使用 PLS-SEM 来解释系统性风险的传递。我们使用一组指标(可直接观察的变量)来模拟从影子银行到受监管银行业 (RBS) 的系统性风险传输,这些指标是影子银行系统性风险的来源以及 RBS 衡量的系统性风险后果。使用 PLS-SEM 进行预测模型评估的程序以清晰的步骤进行了概述。基于预测模型的具有统计学意义的结果表明,苏格兰皇家银行系统性风险的变化中,约有 75% 可以用微观层面和宏观层面的联系来解释,这些联系可以追溯到影子银行(我们使用部分模拟数据)。微观层面的联系对系统性风险的传播有更大影响的发现凸显了可以通过 PLS-SEM 产生的重要洞察力的类型。监管者可以使用 PLS-SEM 来监控系统性风险的传递,并且所展示的技能可以转移到任何具有潜在结构的主题。微观层面的联系对系统性风险的传播有更大影响的发现凸显了可以通过 PLS-SEM 产生的重要洞察力的类型。监管者可以使用 PLS-SEM 来监控系统性风险的传递,并且所展示的技能可以转移到任何具有潜在结构的主题。微观层面的联系对系统性风险的传播有更大影响的发现凸显了可以通过 PLS-SEM 产生的重要洞察力的类型。监管者可以使用 PLS-SEM 来监控系统性风险的传递,并且所展示的技能可以转移到任何具有潜在结构的主题。
更新日期:2018-01-01
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