年-IMF国际货币组织全球_Central_Bank_Emergency_Support_to_Securities_Markets_50页_1mb

报告摘要

Summary of IMF Working Paper: Central Bank Emergency Support to Securities Markets

Core Content

This IMF Working Paper explores the role of central banks in providing emergency support to securities markets during periods of financial stress. It argues that while central banks are well-equipped to support banks through the Lender-of-Last Resort (LOLR) function, the support of securities markets is a more recent and less established area of intervention. The paper provides a framework for analyzing when and how central banks should intervene in securities markets to ensure financial stability and the smooth transmission of monetary policy.

Main Points

Why support securities markets?
Central banks should support securities markets to maintain financial stability and price stability. This includes:
- Safeguarding the flow of credit.
- Averting fire sale dynamics.
- Supporting the transmission of monetary policy.
Which markets should be supported?
Central banks should focus on:
- Markets that are normally liquid.
- Markets that are relatively large and/or important to the financial system.
- Markets with relatively high credit quality.
When should support be given?
Emergency support should be triggered only when there is a severe disruption to market functioning, such as:
- A significant fall in the flow of credit.
- Fire-sale risks where asset values diverge from fundamental values.
- Market conditions that threaten financial stability or monetary policy transmission.
How should central banks support markets?
The choice of intervention method depends on the nature of the liquidity crisis:
- Funding liquidity issues can be addressed through measures like repos or liquidity provision to intermediaries.
- Market liquidity issues can be tackled via reverse auctions or direct purchases to reduce price risk and information asymmetries.
- The use of non-recourse instruments and special purpose vehicles (SPVs) can help limit central bank risks and mitigate moral hazard.

Key Information

Market Liquidity and Financial Stability

Market liquidity is crucial for financial stability as it facilitates price discovery and risk sharing.
Fire sales can destabilize the financial system by causing asset prices to fall below their intrinsic value.
The flow of credit is affected by both primary and secondary market disruptions, with a causal link between the two.

Intervention Criteria

Liquidity: Markets that are liquid in normal times are more likely to be supported.
Size and Importance: Larger and more interconnected markets are more important for financial stability.
Credit Quality: Securities with higher credit quality are more appealing to end-investors and less risky for central banks.

Intervention Frontier

The intervention frontier is a conceptual framework that identifies which securities are more suitable for support based on liquidity, importance, and credit quality.
Securities closer to the origin (i.e., less liquid, smaller, or higher credit risk) are less likely to be supported.
The framework helps central banks prioritize support for key markets like benchmark government bond and Treasury bill markets, which are safe assets and critical for price discovery.

Policy and Operational Considerations

Central banks must ensure that emergency support is part of a comprehensive policy package.
Moral hazard is a concern if support is not limited to true last-resort scenarios.
Transparency, communication, and accountability are essential for effective intervention.
Coordination with other policies is necessary to avoid conflicts and ensure consistency in crisis management.

Conclusion

The paper emphasizes that while emergency support to securities markets is important, it should be a last resort and carefully designed to avoid unintended consequences. The role of central banks in supporting securities markets should be considered in the context of broader financial stability objectives and should not replace regular regulatory and supervisory functions. The intervention frontier provides a useful tool for central banks to assess which markets are most in need of support, ensuring that interventions are both effective and limited in scope.

Key Figures and Tables

Figure 1: Illustrates the stylized process of emergency support for securities markets.
Figure 2: Shows the linkages between objectives and market functioning.
Figure 3: Depicts the intervention frontier in three-dimensional space.
Table 1: Compares securities markets vs. bank lending across several countries.