2015年-IMF国际货币组织全球_Private_Sector_Deleveraging_and_Growth_Following_Busts_37页_947kb

Summary of Private Sector Deleveraging and Growth Following Busts

Core Content

This IMF Working Paper examines the impact of private sector deleveraging on medium-term economic growth following financial crises, analyzing experiences across 36 advanced and emerging economies from 1960 to 2013. The study highlights the importance of balance sheet adjustments in facilitating recovery after periods of excessive debt accumulation, particularly in the context of balance sheet recessions.

Main Points

1. Deleveraging and Growth Relationship

• Deleveraging is a critical process for economic recovery after financial crises.
• Larger and quicker reductions in private sector debt overhang are associated with greater medium-term output gains.
• The modality of deleveraging—its intensity, duration, and timing—matters for growth outcomes.

2. Historical Trends in Leverage

• Private sector leverage, measured as nominal debt to nominal GDP, has increased significantly across both advanced and emerging economies since the 1960s.
• In advanced economies, leverage rose from 71% to 193% of GDP, while in emerging economies it increased from 13% to 83% of GDP.
• Leverage growth is more volatile in emerging economies due to greater fluctuations in debt levels and economic conditions.

3. Deleveraging Episodes

• Deleveraging episodes occur on average every 19 years, with similar frequency in advanced and emerging economies.
• The average duration of a deleveraging episode is about 4.7 years, with an average decline in leverage ratios of 15 percentage points.
• Some episodes, such as those in Japan (1995) and Germany (2003), have seen sustained reductions in leverage, suggesting a structural shift in debt dynamics.

4. Factors Influencing Deleveraging

• Deleveraging is often driven by a combination of economic downturns and large increases in debt levels.
• The process is typically characterized by a decline in nominal debt-to-GDP ratios, which can be achieved through real growth, inflation, or reductions in debt accumulation.
• Nominal debt accumulation generally remains positive during deleveraging, with growth being the primary driver of debt reduction.

5. Sectoral Contributions to Deleveraging

• Non-financial corporate (NFC) sectors are the primary contributors to private sector deleveraging.
• In 37 cases, only four episodes showed equal or greater contributions from the household sector, indicating that household leverage typically adjusts more slowly.
• This suggests that household deleveraging is more complex and politically sensitive, especially in the context of housing busts.

6. Regional Comparisons

• The Global Financial Crisis (GFC) has led to a cluster of deleveraging events, particularly in stressed European economies.
• European countries have experienced slower and more limited deleveraging compared to the U.S. and Asia, where more significant debt reductions have occurred alongside stronger output recovery.
• The U.S. has seen more effective household deleveraging due to non-recourse mortgage frameworks and active government policies, contributing to a stronger recovery.

Key Findings

• Deleveraging Matters for Growth: Larger and more rapid debt reductions are positively correlated with medium-term output gains.
• Policies Should Facilitate Deleveraging: Governments should focus on enabling upfront balance sheet adjustments rather than solely boosting aggregate demand and credit supply.
• Household Debt is More Challenging: Household leverage adjustment is slower and more politically sensitive, often hindered by the nature of housing as a major asset.
• Deleveraging is Not Uniform: Deleveraging experiences vary significantly across countries and sectors, with some episodes being more severe and prolonged than others.
• GFC Had Unique Characteristics: The GFC is notable for its prolonged and limited deleveraging in European economies, which may have hindered recovery.

Policy Implications

• The paper advocates for policies that support up-front debt reduction to promote economic growth.
• It emphasizes the need for better data and more systematic approaches to analyzing private sector debt dynamics.
• The role of financial sector reforms, fiscal consolidation, and targeted measures to support deleveraging (such as debt relief) is highlighted as essential for sustainable recovery.

Conclusion

• The study provides a comprehensive analysis of the relationship between private sector deleveraging and economic growth.
• It underscores the importance of understanding the modality of deleveraging and its impact on future growth.
• The findings suggest that effective and timely balance sheet adjustments are crucial for economic recovery, especially in the aftermath of financial crises.