2011年-IMF国际货币组织全球_Taxing_Financial_Transactions_Issues_and_Evidence_49页_1mb

Summary of "Taxing Financial Transactions: Issues and Evidence"

Core Content

This paper examines the role, effectiveness, and design considerations of financial transaction taxes (FTTs), particularly securities transaction taxes (STTs) and currency transaction taxes (CTTs), in the context of the financial crisis and global economic developments. It evaluates their potential to raise revenue and regulate financial markets, while also addressing their economic impacts and administrative challenges.

Main Goals of FTTs

1. Revenue Generation: To raise funds for government interventions or global development.
2. Market Regulation: To reduce financial market excesses and prevent asset price bubbles.

Key Findings

• FTTs are generally ad valorem taxes based on the market value of transactions, though some are flat fees.
• STTs are more common than CTTs among G-20 countries.
• The average revenue from STTs is less than 0.5% of GDP, though it fluctuates with market conditions.
• The trend in STTs has been downward over the past two decades, as governments aim to reduce capital costs and improve financial market competitiveness.
• CTTs, such as the Tobin tax, are less common but have been proposed to curb short-term capital flows and speculative activity in foreign exchange markets.

Current FTTs in G-20 Countries

Economic Impacts of FTTs

• Asset Valuation: FTTs can reduce asset values due to increased transaction costs, with estimated reductions ranging from 1–2% for STTs.
• Trading Volume: Elasticity estimates suggest a reduction in trading volume of 10–50% depending on the tax rate and market.
• Market Liquidity and Price Discovery: FTTs may reduce liquidity and distort price discovery, as they increase the cost of trading.
• Market Efficiency: The paper notes that the impact of FTTs on market dynamics, including short- and long-term volatility, is not well understood.
• Incidence: FTTs may fall more heavily on consumers and small businesses than on financial institutions, depending on the nature of the tax and market structure.

Design Considerations

• Tax Base: STTs can be applied to all or certain types of securities, including derivatives.
• Tax Rate: Rates typically range from 10–50 basis points, though higher rates have been proposed.
• Multilateralism: CTTs like the Tobin tax are often proposed as multilateral measures to address cross-border capital flows.

Policy Recommendations

• FTTs may be effective in generating revenue, but their design must minimize distortions and evasion.
• While FTTs are sometimes framed as broad-based and low-rate, they may still have significant negative impacts on market efficiency and financial activity.
• Alternatives, such as financial activities taxes (FATs), are also considered for their potential to achieve similar goals without distorting financial markets.

Conclusion

• Despite their popularity among some G-20 governments and civil society organizations, the economic effects of FTTs are not fully understood.
• The paper highlights the need for further research into the incidence, behavioral effects, and market dynamics of FTTs.
• STTs and CTTs are the focus of this report, given their prominence in current discussions about financial sector taxation and regulation.