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Open research questions in Banking stability, regulation, efficiency

357 gap statements mined from Banking stability, regulation, efficiency papers in our 7.9M-paper local library, which holds 6,367 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

  • This study has three main limitations. Further investigation into the interaction between KUR, digitalisation, gender dynamics, and regional disparities would deepen understanding of inclusive finance.

    The Signalling Trap: How Crisis Lending Reinforced Informal MSME Exclusion in Indonesia’s Financial System · 2026 · DOI

  • Future research could address this issue by incorporating bank-type classifications or allowing for country-specific threshold effects. In addition, future studies may consider alternative measures of bank liquidity or apply bank-level stress-testing methodologies to assess liquidity resilience under extreme but plausible credit-risk conditions more comprehensively.

    How Non-Performing Loans Reshape Bank Liquidity Determinants: Evidence from the European Union · 2026 · DOI

  • Second, the field’s intellectual core is concentrated around a single measurement framework in a manner consistent with, but not conclusively explained by, a cumulative advantage dynamic; whether this concentration reflects genuine methodological superiority or a path-dependent default remains an open question.

    Geopolitical Risk in the Financial Sector: A Systematic Bibliometric Review · 2026 · DOI

  • Do The Emerging Stock Markets React to International Economic Policy Uncertainty, Geopolitical Risk and Financial Stress Alike?

    Geopolitical Risk in the Financial Sector: A Systematic Bibliometric Review · 2026 · DOI

  • Liquidity interventions, while useful in the short term, are insufficient for addressing the systemic risks posed by this vulnerability.

    Interest Rate Risk, Bank Stability, and Valuation · 2026 · DOI

  • Future research may examine whether higher scores are associated with supervisory responses, market reactions or financial outcomes.

    Regulatory fragmentation in bank–insurance conglomerates: a qualitative index for cross-regime supervision · 2026 · DOI

  • It thus provides new empirical insights into how institutional quality translates into bank financing of the private sector in a regional context where these two dimensions remain understudied in combination.

    How does the institutional framework affect bank financing in the private sector? Empirical evidence from West African economic and monetary union · 2026 · DOI

  • One limitation of this study is that it does not explicitly account for banks' trade-offs between financing the private sector and holding government securities.

    How does the institutional framework affect bank financing in the private sector? Empirical evidence from West African economic and monetary union · 2026 · DOI

  • Given China’s hybrid financial system – characterized by state intervention, rapid market reforms and increasing global integration – systemic risk propagation remains underexplored and critically important.

    Hierarchical and dynamic risk transmission mechanisms in Chinese systemically important banks · 2025 · DOI

  • The study highlights the need to consider both short-term and long-term equilibrium relationships in analyzing bank performance.

    Analysis of Commercial Bank Performance Dynamics Based on KBMI1–KBMI4 Using a Panel ECM Approach · 2026 · DOI

  • The paper notes the challenge of examining the dynamics of African banking systems, particularly in the context of global return transmission, due to the lack of empirical research in this area.

    Return Transmission Mechanism Across South African and Global Banks: Contemporaneous and Lagged R2-Decomposed Connectedness Approach · 2026 · DOI

  • The study aims to address this gap by applying the transfer entropy method to daily stock price data from 77 global banks.

    Identifying Systemically Important Banks: A Transfer Entropy Approach · 2026 · DOI

  • Future studies could explore the issue by using firm-level data, examining causality, and expanding the range of countries analyzed. This paper provides a structured contribution to the literature on financial development by examining the under-researched area of the internal organization of trading activity on equity markets.

    Equity Market Structure and Trading Diversification: Insights from Panel Data, Clustering, and Machine Learning · 2026 · DOI

  • The most important open question—which we flag as the primary direction for future work—is whether the bilateral matrix can be expanded beyond the public-BDC sample to include the much larger non-traded BDC universe ($200B AUM versus $50B for public BDCs).

    Counterparty-Level Bank Exposure to Private Credit and Tail-Risk Bounds: Evidence from the February-April 2026 Gate Cascade · 2026 · DOI

  • Fourth, the robustness battery (Table 13) shows 8 of 14 specifications qualitatively consistent with the baseline, but notable failures include the post-COVID subsample (sign reversal) and the granular IV (sign reversal at peak), both of which warrant further investigation with better data.

    The K-A-T Framework: Macro-Financial Propagation across Funding Constraints, Input-Output Networks, and Policy Backstops · 2026 · DOI

  • Future research could apply the paper's methodology to other contexts to study systemic contagion. Future research could also explore the implications of the paper's findings for regulators and investors.

    Network Topology and Systemic Contagion Among Alternative Asset Managers: Evidence from GP-LP-Bank Interconnections · 2026 · DOI

  • Based on the findings of the study, it was recommended that deposit money Banks should include collateral review and enhance their credit risk architecture to always management, facility performance monitoring, quality reviews, classification and risk portfolio reporting.

    CHALLENGES ON LOAN RECOVERY AND PERFORMANCE OF MONEY DEPOSIT BANKS IN NIGERIA · 2026 · DOI

  • While traditional issues such as post-merger efficiency, financial performance, shareholder value, and market competition are still being explored, the field is not limited to them and is becoming increasingly interdisciplinary.

    Bank Consolidation in a Turbulent Period: A Bibliometric Mapping of Publications Since 2020 · 2026 · DOI

  • In the existing literature, there is relatively scarce empirical evidence examining the impact of climate physical risk on bank systemic risk based on the ‘shock-contagion’ generation mechanism of bank systemic risk.

    The impact of climate physical risk on banking systemic risk: asymmetric fluctuations in tail risk and connectedness risk · 2026 · DOI

  • The study period was limited to 2014–2022, which may not capture long-term trends. Based on the findings of the study, the following recommendations are made: Deposit money banks should maintain an optimal level of liquidity that ensures they can meet short-term obligations without holding excessive idle funds that reduce profitability.

    Evaluating The Impact of Liquidity Ratio and The Performance of Deposit Money Banks in Nigeria · 2026 · DOI

  • The objective was liquidity management influences bank performance, measured by Return on Equity (ROE). Based on the analysis conducted, the major findings are summarized as follows: to determine how The coefficient of regression of 0.553032 indicates that there is a positive relationship between liquidity ratio (LR) and the performance of deposit money banks in Nigeria as measured by return on equity (ROE).

    Evaluating The Impact of Liquidity Ratio and The Performance of Deposit Money Banks in Nigeria · 2026 · DOI

  • Investigating the dynamics of African banking systems, - Applying the R2-decomposition methodology to bank-level cross-border transmission in an African context, - Examining the transmission channels of global shocks in emerging…

    Return Transmission Mechanism Across South African and Global Banks: Contemporaneous and Lagged R2-Decomposed Connectedness Approach · 2026 · DOI

  • There is limited institution-level evidence of the impact of non-performing loans on banks, - The study aims to fill this gap by examining the link between NPLs and critical profitability…

    The Impact of Non-Performing Loans on Bank Profitability: Evidence From Awash Bank, Ethiopia. · 2026 · DOI

  • There is a need to examine the impact of credit risk management practices on bank financial performance in India - Prior studies have not compared the financial performance of public and private sector banks…

    Credit Risk Management Practices and Financial Performance: An Empirical Study of Banks · 2026 · DOI

  • The paper identifies a gap in the literature on systemic contagion among alternative asset managers. The paper notes that the industry's growth and interconnectedness with the traditional banking system raise concerns about systemic risk.

    Network Topology and Systemic Contagion Among Alternative Asset Managers: Evidence from GP-LP-Bank Interconnections · 2026 · DOI

Most-cited papers in Banking stability, regulation, efficiency

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Open questions raised by papers listed on this page include: (1) Future research could address this issue by incorporating bank-type classifications or allowing for country-specific threshold effects (“How Non-Performing Loans Reshape Bank Liquidity Determinants: Evidence from the…”, 2026); (2) Future research may examine whether higher scores are associated with supervisory responses, market reactions or financial outcomes (“Regulatory fragmentation in bank–insurance conglomerates: a qualitative index…”, 2026); (3) It thus provides new empirical insights into how institutional quality translates into bank financing of the private sector in a regional context where these two dimensions remain understudied in combination (“How does the institutional framework affect bank financing in the private…”, 2026); (4) The paper notes the challenge of examining the dynamics of African banking systems, particularly in the context of global return transmission, due to the lack of empirical research in this area (“Return Transmission Mechanism Across South African and Global Banks:…”, 2026); (5) Future studies could explore the issue by using firm-level data, examining causality, and expanding the range of countries analyzed (“Equity Market Structure and Trading Diversification: Insights from Panel Data,…”, 2026). 357 gap statements have been mined from Banking stability, regulation, efficiency papers in our 7.9M-paper local library, which holds 6,367 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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