Imbalanced enterprise credit evaluation with DTE-SBD: Decision tree ensemble based on SMOTE and bagging with differentiated sampling rates

J Sun, J Lang, H Fujita, H Li - Information Sciences, 2018 - Elsevier
Enterprise credit evaluation model is an important tool for bank and enterprise risk
management, but how to construct an effective decision tree (DT) ensemble model for …

Discovering bank risk factors from financial statements based on a new semi‐supervised text mining algorithm

L Wei, G Li, X Zhu, J Li - Accounting & Finance, 2019 - Wiley Online Library
This paper aims to comprehensively uncover bank risk factors from qualitative textual risk
disclosures reported in financial statements, which contain a huge amount of information on …

Global sensitivity analysis and aggregation of risk in multi-product supply chain networks

KJ Mizgier - International Journal of Production Research, 2017 - Taylor & Francis
Manufacturing firms manage complex supply chain networks which are exposed to a
plethora of hazard events. An essential part of the risk management process is the …

Bank risk aggregation with forward-looking textual risk disclosures

L Wei, G Li, J Li, X Zhu - The North American Journal of Economics and …, 2019 - Elsevier
Approaches based on financial statements are important to the field of bank risk
aggregation. However, previous studies only used numerical data recorded in financial …

Operational loss data collection: a literature review

L Wei, J Li, X Zhu - Annals of Data Science, 2018 - Springer
This paper is the first to provide a comprehensive overview of the worldwide operational loss
data collection exercises (LDCEs) of internal loss, external loss, scenario analysis and …

Modeling risk dependence and portfolio VaR forecast through vine copula for cryptocurrencies

K Syuhada, A Hakim - PLoS One, 2020 - journals.plos.org
Risk in finance may come from (negative) asset returns whilst payment loss is a typical risk
in insurance. It is often that we encounter several risks, in practice, instead of single risk. In …

Formulating MCoVaR to quantify joint transmissions of systemic risk across crypto and non-crypto markets: A multivariate copula approach

A Hakim, K Syuhada - Risks, 2023 - mdpi.com
Evidence that cryptocurrencies exhibit speculative bubble behavior is well documented. This
evidence could trigger global financial instability leading to systemic risk. It is therefore …

Financial statements based bank risk aggregation

J Li, L Wei, CF Lee, X Zhu, D Wu - Review of Quantitative Finance and …, 2018 - Springer
One of the major challenges involved in risk aggregation is the lack of risk data. Recently,
researchers have found that mapping financial statements into risk types is a satisfactory …

How does credit portfolio diversification affect banks' return and risk? Evidence from Chinese listed commercial banks

Y Chen, Y Shi, X Wei, L Zhang - Technological and Economic …, 2014 - Taylor & Francis
Does diversification of credit portfolio indeed lead to increased performance and reduced
risk of banks as traditional portfolio theory suggests? This paper investigates empirically the …

A 3-D copula for risk analysis of meteorological drought in the Black Sea Region

O Simsek, O Bazrafshan, Z Azhdari - Theoretical and Applied Climatology, 2024 - Springer
Besides being a devastating and long-lasting disaster, a drought is an event that affects a
large area. It is essential to determine the duration, severity, and magnitude of the drought in …