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North American Journal of Economics and Finance最新文献

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IF 3.9 3区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2026-01-01
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引用次数: 0
IF 3.9 3区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2026-01-01
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引用次数: 0
IF 3.9 3区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2026-01-01
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引用次数: 0
IF 3.9 3区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2026-01-01
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引用次数: 0
IF 3.9 3区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2026-01-01
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引用次数: 0
IF 3.9 3区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2026-01-01
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引用次数: 0
IF 3.9 3区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2026-01-01
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引用次数: 0
Bank systemic risk prediction based on text mining and explainable machine learning 基于文本挖掘和可解释机器学习的银行系统风险预测
IF 3.9 3区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2026-01-01 DOI: 10.1016/j.najef.2025.102577
Pucong Wang, Sumuya Borjigin
This study utilizes textual data from The Wall Street Journal, employing 12 machine learning models to forecast systemic risk in the US banking sector. Then, this paper applies the SHAP method to interpret the prediction results. The empirical conclusions are as follows: Firstly, in terms of time series forecasting, deep learning models exhibit the best performance, tree models demonstrate moderate predictive efficacy, while linear models perform poorly in predictions. Secondly, there is a positive correlation between SHAP values and banking systemic risk, this conclusion fills the previous research gap. Further research reveals that Topic_29 consistently ranks at the top in feature importance across various time windows. Its keywords (interest rate, bank, stock, company, inflation, rate cut, China) suggest that interest rate policies, corporate operations, inflation control, and geoeconomic factors play pivotal roles in systemic risk. Additionally, the study observes a negative correlation between news sentiment and SHAP values; negative sentiment has a stronger impact and a longer duration. Finally, this study links the topic keywords back to the original news texts to elucidate the impact of news on systemic risk across different sliding window periods.
本研究利用《华尔街日报》的文本数据,采用12个机器学习模型来预测美国银行业的系统性风险。然后,应用SHAP方法对预测结果进行解释。实证结论如下:首先,在时间序列预测中,深度学习模型的预测效果最好,树模型的预测效果中等,线性模型的预测效果较差。其次,SHAP值与银行系统性风险之间存在正相关关系,这一结论填补了以往研究的空白。进一步的研究表明,Topic_29在不同时间窗口的特征重要性上始终名列前茅。它的关键词(利率、银行、股票、公司、通货膨胀、降息、中国)表明,利率政策、企业运营、通货膨胀控制和地缘经济因素在系统性风险中起着关键作用。此外,研究发现新闻情绪与SHAP值呈负相关;负面情绪的影响更强,持续时间更长。最后,本研究将主题关键词与原始新闻文本联系起来,以阐明新闻对不同滑动窗口期系统性风险的影响。
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引用次数: 0
IF 3.9 3区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2026-01-01
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引用次数: 0
IF 3.9 3区 经济学 Q1 BUSINESS, FINANCE Pub Date : 2026-01-01
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引用次数: 0
期刊
North American Journal of Economics and Finance
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