世界银行-2021年不断变化的国家财富：为未来管理资产（英）-2021-504页_23mb

The Changing Wealth of Nations 2021: Summary

Core Content

The Changing Wealth of Nations 2021 report explores the dynamics of national wealth from 1995 to 2018, emphasizing the importance of comprehensive wealth accounting in guiding sustainable economic development. It introduces a new framework that includes natural capital, human capital, produced capital, and financial capital to provide a more holistic view of a country's wealth than traditional GDP metrics. The report highlights the need for sustainability, resilience, and inclusiveness in economic policies and discusses how wealth management can support long-term economic stability.

Main Messages

• Sustainability, Resilience, and Inclusiveness are critical challenges for economic development.
• Wealth accounting offers a more accurate measure of a country's economic health by incorporating natural and human capital.
• Global and regional wealth trends show varying growth rates and composition across income groups and regions.
• Purchasing Power Parities (PPPs) are used to standardize wealth comparisons across countries.
• Renewable and nonrenewable natural capital play a significant role in shaping national wealth, especially in low- and middle-income countries.
• Human capital is a key component of wealth, and its impact is particularly evident in the context of the COVID-19 pandemic.
• Air pollution has a measurable negative impact on human capital through premature deaths and health degradation.
• Nonrenewable resource wealth presents both opportunities and risks, including stranded assets and environmental degradation.
• Adjusted Net Savings (ANS) is a tool for assessing sustainable wealth conversion and managing natural resource revenues.
• ESG (Environmental, Social, and Governance) frameworks are essential for integrating environmental considerations into macroeconomic policy.
• Renewable energy is an emerging asset class that can contribute significantly to wealth and economic resilience.
• Social capital is increasingly recognized as a vital component in economic development and welfare.
• Data and methodological improvements are crucial for accurate wealth measurement and policy formulation.

Key Findings

Global and Regional Trends in Wealth

• Global total wealth increased significantly from 1995 to 2018.
• Per capita wealth growth varied by region and income group, with some countries experiencing stagnation or decline.
• Convergence in wealth was observed among nations, indicating a narrowing gap between rich and poor countries.
• Renewable natural capital (forests, agricultural land, etc.) made up a large portion of global wealth, especially in low- and middle-income countries.
• Human capital became a more prominent component of wealth over time, reflecting the growing importance of education and health.

Nonrenewable Natural Capital

• Nonrenewable resource wealth (fossil fuels, minerals) is concentrated in certain regions and countries.
• Natural capital rents (revenues from nonrenewable resources) often exceed GDP in resource-rich nations.
• The Environmental Kuznets Curve (EKC) suggests a relationship between economic growth and environmental degradation, with nonrenewable wealth contributing to this curve.
• Stranded assets from fossil fuels are expected to lose value under ambitious climate policies, posing a risk to economies reliant on these resources.

Human Capital

• Human capital is measured through education, health, and labor productivity.
• The Human Capital Index (HCI) provides a more nuanced understanding of the value of human capital.
• The COVID-19 pandemic had a significant impact on human capital, particularly in education and health sectors.
• Gender disparities in human capital accumulation were evident, with women's contributions often underrepresented in resource-rich economies.

Air Pollution and Human Capital

• Air pollution reduces human capital through premature deaths and health impacts.
• The disability-adjusted life years (DALYs) attributable to air pollution highlight the severity of its impact.
• Fine particulate matter (PM2.5) from different sources has varying health effects.
• Estimating global mortality due to air pollution remains a challenge due to data limitations.

Wealth Accounting and Policy

• Wealth accounts are essential tools for macroeconomic policy and financial sector management.
• Adjusted Net Savings (ANS) is a key indicator for assessing sustainable wealth conversion.
• Institutional capital and government effectiveness are linked to wealth outcomes and economic performance.
• Fiscal sustainability and natural capital management are critical for long-term economic stability.
• Policy implications include the need for diversification, environmental governance, and social equity.

Key Tools and Concepts

• Comprehensive Wealth Accounts: Include natural, human, produced, and financial capital.
• Adjusted Net Savings (ANS): Measures sustainable wealth conversion by adjusting GDP for depreciation and environmental costs.
• Purchasing Power Parities (PPPs): Standardize wealth comparisons across countries.
• ENVISAGE v10 CGE Model: Used to simulate the economic impacts of climate policies and fossil fuel asset values.
• ESG Frameworks: Help integrate environmental and social considerations into economic policy.
• Renewable Energy Wealth: Includes hydroelectric, solar, and wind assets, with potential for growth under low-carbon transitions.
• Social Capital: Refers to trust, networks, and institutions that contribute to economic outcomes.

Conclusion

The report underscores the importance of comprehensive wealth accounting in guiding sustainable development, resilience, and equitable growth. It calls for policy reforms that incorporate natural and human capital into economic planning, promote diversification, and address environmental and social challenges. The use of advanced models and data integration is emphasized to improve the accuracy and utility of wealth measurements for future economic management.

References and Appendices

• Appendix A provides a detailed summary of methodology and data sources used in the report.
• Appendix B includes per capita wealth data for 2018.
• Boxes highlight key concepts, such as the strengths and limitations of wealth accounting, ESG frameworks, and human capital measurement approaches.
• Figures and tables support the analysis by visualizing wealth trends, decomposition results, and policy implications.