2015年-ECB欧洲央行_A_Framework_for_Analysing_and_Assessing_Cross-Border_Spillovers_from_Macroprudential_Policies_12页_290kb

Summary of B Bank Profitability Challenges in Euro Area Banks

Core Content

This document explores the challenges to profitability in euro area banks, highlighting the role of cyclical and structural factors in shaping bank performance. It emphasizes the importance of bank profitability for financial stability, as it directly affects capital buffers and risk-taking behavior. The analysis is based on empirical data from a large sample of EU banks, focusing on the relationship between profitability and various determinants such as bank-specific characteristics, macroeconomic conditions, and structural market features.

Main Drivers of Weak Profitability

Cyclical Factors

• Macroeconomic environment: Weak GDP growth and prolonged financial and sovereign debt crises have negatively impacted euro area bank profitability, especially in vulnerable countries.
• Loan loss provisions: These have shown strong procyclical patterns, rising during economic downturns and reducing profitability.
• US comparison: US banks have shown a stronger recovery in profitability, largely due to a more favorable macroeconomic environment and lower loan loss provisions.
• Cyclical divergence: Since 2009, profitability trends in the euro area and the US have diverged, with the euro area still experiencing persistent weakness.

Structural Factors

• Industry structure: Concentration in the banking sector is positively related to profitability, possibly due to improved efficiency or the ability to exploit market power.
• Bank size: Larger banks are associated with lower profitability, potentially due to higher costs and less efficiency.
• Business model: Retail banks tend to perform better than wholesale or investment banks, as they have a more stable revenue stream.
• Ownership type: Privately-owned banks are generally more profitable than mutual or government-owned banks.

Bank-Specific Factors

• Efficiency: Higher operational efficiency (measured by cost-to-income or cost-to-assets ratios) is positively associated with profitability.
• Capitalisation: A higher capital ratio is linked to better profitability, suggesting that well-capitalised banks are more capable of exploiting profit opportunities.
• Credit risk: Increased loan loss provisions and non-performing loans are negatively correlated with profitability.
• Income diversification: A higher share of non-interest income is associated with lower and more volatile profitability.

Key Findings from Empirical Analysis

• ROA as the main profitability measure: The study uses Return on Assets (ROA) to assess profitability.

• Dynamic panel data model: A dynamic model is employed to account for time persistence in profitability.

• Bank-specific variables:

  • Bank size: Negatively and significantly related to profitability.
  • Equity-to-total-asset ratio: Positively related to profitability.
  • Loan loss provisions over total loans: Negatively related to profitability.
  • Loan growth: Positively related to profitability.
  • Efficiency measure (cost-to-income ratio): Negatively related to profitability.
  • Retail ratio: Positively related to profitability.
  • Income diversification: Negatively related to profitability.

• Macroeconomic variables:

  • Real GDP growth: Positively and significantly related to ROA.
  • Credit-to-GDP ratio: Positively and significantly related to ROA.

• Structural variables:

  • Herfindahl index: Positively related to profitability.
  • CR5 (concentration of top five banks): Positively related to profitability.
  • Supervisory power index: Positively related to profitability, though not statistically significant at the 10% level.

• Time period analysis:

  • Pre-2008: Bank-specific factors were the most important contributors to profitability.
  • Post-2008: Macroeconomic and crisis-related factors have become the primary drivers of profitability changes.

• Current state of profitability determinants:

  • Cyclical factors: Current GDP growth is very low, loan growth is subdued, and loan loss provisions are historically high, all of which suppress profitability.
  • Structural and bank-specific factors: These are largely in line with historical averages, suggesting that structural challenges may not be as pronounced as cyclical ones.
  • Comparison with US banks: Cyclical factors in the euro area are less favorable than in the US, though structural and bank-specific indicators are similar.

Conclusion

The article concludes that while cyclical factors are the primary challenge to euro area bank profitability, structural and bank-specific factors also play a role. Recent European policy initiatives, such as the banking union and capital markets union, may help to address these challenges and improve profitability in the long term.