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Open research questions in Credit Risk and Financial Regulations

74 gap statements mined from Credit Risk and Financial Regulations papers in our 4.5M-paper local library, which holds 1,087 papers on the topic — drawn mostly from each paper's own stated research gap, future-work, challenge and limitation notes, and its abstract. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one.

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What the literature leaves open

  • The lack of a comprehensive model to study debt risk contagion among industrial enterprises. The need to investigate the effects of fiscal and financial synergy on debt risk contagion. The absence of a numerical simulation framework to examine the dynamic evolution and mitigation strategies of debt risk contagion.

    Debt Risk Prevention and Control for Industrial Enterprises in Achieving Carbon Neutrality from the Perspective of Fiscal and Financial Synergy · 2026 · DOI

  • The existing literature does not fully explain how market participants treat pre-existing correlations between institutions during a crisis. There is a lack of understanding of how regional factors influence the transmission of stress in CDS markets. The study aims to fill this gap by examining the predictive power of CDS spread correlations in the context of the 2023 Credit Suisse failure.

    Contagion of Affinity: Predicting CDS Spikes in Global Systemically Important Banks · 2026 · DOI

  • The study does not consider other types of derivatives. The numerical experiments are limited to a European swaption under the SABR model. The impact of a SIC default is modeled as a discrete jump, which may not capture all possible scenarios.

    Impact of Systemically Important Counterparty Default on Counterparty Credit Risk · 2026 · DOI

  • The ISDA Standard Initial Margin Model does not accurately model the systemic impact of a SIC default. There is a need for more accurate CCR models that incorporate the impact of a SIC default.

    Impact of Systemically Important Counterparty Default on Counterparty Credit Risk · 2026 · DOI

  • A rigorous objection to the framework is that crypto risk event data is sparse. We propose a hybrid calibration approach that draws on three complementary methods: deterministic inputs for well-documented parameters, Bayesian inference for parameters with limited data but informative priors, and Monte Carlo simulation for tail risk and reflexive dynamics. Stress-period data is sparse by construction.

    Crypto XVA - a framework for valuation adjustments in digital asset markets · 2026 · DOI

  • The two-period model is intentionally stylized and lacks explicit price formation in secondary markets. The meta-analysis treats the eleven in-sample episodes as conditionally independent draws, which is an idealization. The LP-IV companion is honestly weak-identified, and the AR confidence sets are valid but informative at only six of thirteen horizons.

    The K-A-T Framework: A Unified Framework for Macro-Financial Propagation Through Funding Constraints, Networks, and Policy Backstops · 2026 · DOI

  • The lack of a unified framework for macro-financial propagation. The lack of a comprehensive analysis of the dynamics of stress in the financial system. The need for a new perspective on the role of policy backstops in mitigating the effects of funding shocks.

    The K-A-T Framework: A Unified Framework for Macro-Financial Propagation Through Funding Constraints, Networks, and Policy Backstops · 2026 · DOI

  • A comprehensive empirical research design is required for backtesting, - The study suggests conducting a backtesting exercise to validate the proposed framework.

    A closer look at the probability of default taking into account the current regulatory considerations · 2026 · DOI

  • There is a lack of research on the relationship between CDS premiums and money market funds. Prior studies have not examined the long-term relationship between the two variables.

    Para Piyasası Fonları İle Kredi Temerrüt Swapları (CDS) Arasındaki İlişki: Türkiye Örneği · 2026 · DOI

  • Firstly, the empirical analysis is limited to the period after 2022, characterised by increased volatility, and the applications of unconventional or macroprudential policies in Turkiye.

    Time-Dependent Causal Relationships Between Credit Default Swaps, Effective Funding Rate, Exchange Rate-Protected Deposit Scheme, and Stock Market Returns: Evidence from Turkiye · 2026 · DOI

  • The gap in existing research is the lack of consideration of dependence uncertainty in systemic risk measurement. The paper addresses this gap by employing factor models to represent partial information on companies' risk exposures.

    Static marginal expected shortfall: Systemic risk measurement under dependence uncertainty · 2026 · DOI

  • The current stress testing methods are insufficient as they only compute the sum of bilateral losses across institutions. The H^2 gap refers to the part of systemic risk that lives not in individual institutions' portfolios but in the interaction between those portfolios.

    Systemic Risk as $H^2$: Cohomological Stress Testing, the Unhedgeable Residual, and Why the 2008 Crisis Was a Topological Event · 2026 · DOI

  • Future studies could evaluate the effectiveness of bond portfolio immunization during other time periods or using different methodologies. Future research could also explore the application of the study's findings to other areas of institutional investment management.

    AN EMPIRICAL STUDY OF BOND PORTFOLIO IMMUNIZATION EFFECTIVENESS DURING 2008 GLOBAL FINANCIAL CRISIS · 2026 · DOI

  • The study identifies the need for regulatory oversight and technological improvements in the credit rating industry. The study highlights the importance of credit rating agencies in India's financial system.

    A Study on the Role of Credit Rating Agencies in India · 2026 · DOI

  • Many traditional credit measures are more informative about current rather than future credit risk. Market-based measures of credit risk, like credit spreads or implied volatilities, are forward-looking but contain other confounding influences. Prior work has not fully explored the information content of earnings calls for credit risk forecasting.

    Credit information in earnings calls · 2026 · DOI

  • The non-linear Cauchy problem is difficult to solve. The paper needs to provide an analytical formula for the valuation of a vulnerable equity forward.

    Analytical Valuation of Vulnerable Derivative Claims with Bilateral Cash Flows under Credit, Funding and Wrong Way Risk · 2026 · DOI

  • The existing PD models rely on restrictive assumptions, - The logistic regression models may not account for complex structures in firm-specific risk drivers.

    A closer look at the probability of default taking into account the current regulatory considerations · 2026 · DOI

  • Financial-literacy programmes should increase public awareness about credit ratings and their importance in investment planning. Greater cooperation among financial institutions, regulatory authorities, and credit rating agencies should be encouraged. Credit-rating analysts should receive continuous professional training to maintain high standards of credit evaluation.

    A Study on the Role of Credit Rating Agencies in India · 2026 · DOI

  • The paper notes that existing models do not account for the presence of asymmetric funding costs, defaults, and wrong way risk.

    Analytical Valuation of Vulnerable Derivative Claims with Bilateral Cash Flows under Credit, Funding and Wrong Way Risk · 2026 · DOI

  • Further research could investigate the applicability of the findings to other systemic events - Additional empirical outputs, including stepwise-regression diagnostics and placebo/event-time checks, could be…

    Contagion of Affinity: Predicting CDS Spikes in Global Systemically Important Banks · 2026 · DOI

  • Exclusions encompassed firms in the over-the-counter (OTC) base market, financial institutions, entities with negative book value, those experiencing extended trading halts, and firms with insufficient data availability.

    Pricing the Default Risk Factor in Short-Term Debt: A Compound Option Approach in the Iranian Capital Market · 2026 · DOI

  • The study uses a small sample of ten firms, - The study only considers a limited time period from 2001 to 2025, - The study does not account for other factors that may influence financing…

    Maximum Entropy Identification of Latent Financing Flows in Corporate Balance Sheets: Cross-Sectoral Panel Evidence · 2026 · DOI

  • Further research could explore the application of the maximum entropy panel estimator to larger datasets, - Future studies could investigate the relationship between latent financing flows and firm performance, - Additional research could examine the impact of different economic conditions on financing…

    Maximum Entropy Identification of Latent Financing Flows in Corporate Balance Sheets: Cross-Sectoral Panel Evidence · 2026 · DOI

  • To verify the identification of the H^2 class as a candidate early warning indicator from data. To apply the cohomological approach to analyze systemic risk in other contexts.

    Systemic Risk as $H^2$: Cohomological Stress Testing, the Unhedgeable Residual, and Why the 2008 Crisis Was a Topological Event · 2026 · DOI

  • Existing literature on bond immunization largely falls into two categories: theoretical extensions of Redington's model under stochastic interest rate assumptions, and empirical tests conducted during ordinary, non-crisis market conditions using real-world bond portfolios.

    AN EMPIRICAL STUDY OF BOND PORTFOLIO IMMUNIZATION EFFECTIVENESS DURING 2008 GLOBAL FINANCIAL CRISIS · 2026 · DOI

Most-cited papers in Credit Risk and Financial Regulations

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Open questions raised by papers listed on this page include: (1) The lack of a comprehensive model to study debt risk contagion among industrial enterprises (“Debt Risk Prevention and Control for Industrial Enterprises in Achieving Carbon…”, 2026); (2) There is a lack of understanding of how regional factors influence the transmission of stress in CDS markets (“Contagion of Affinity: Predicting CDS Spikes in Global Systemically Important…”, 2026); (3) There is a need for more accurate CCR models that incorporate the impact of a SIC default (“Impact of Systemically Important Counterparty Default on Counterparty Credit…”, 2026); (4) The lack of a unified framework for macro-financial propagation (“The K-A-T Framework: A Unified Framework for Macro-Financial Propagation…”, 2026); (5) There is a lack of research on the relationship between CDS premiums and money market funds (“Para Piyasası Fonları İle Kredi Temerrüt Swapları (CDS) Arasındaki İlişki:…”, 2026). 74 gap statements have been mined from Credit Risk and Financial Regulations papers in our 4.5M-paper local library, which holds 1,087 papers on the topic; the gaps come from whichever of those papers state one. They are mostly the research gaps the authors state and the papers' abstracts, plus future-work, limitations and challenges passages. The ones listed below are a selection still marked open; each names the study that raised it, with a DOI link where the paper has one, so you can read the original claim in context.

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