2000年-世界发展银行全球_Reforming_Tax_Systems___Lessons_from_the_1990s_4页_414kb

报告摘要

Summary of "Reforming Tax Systems: Lessons from the 1990s"

Core Content

This document evaluates the World Bank's efforts to reform tax and customs administrations during the 1990s, highlighting the need for a more systematic and consistent approach to institutional analysis in these projects. It reviews 83 Bank-financed tax reform operations across 55 countries, with total outlays of $8.5 billion, to assess the effectiveness of project design and implementation.

Main Objectives of Tax Reform Projects

Revenue enhancement was a primary goal in two-thirds of the projects, aimed at supporting macroeconomic stability and poverty reduction.
Strengthening administrative institutions was a focus in over one-third of the projects.
Other common objectives included:
- Improving administrative capacity
- Enhancing taxpayer compliance
- Facilitating trade and improving the business environment

Diagnostic Work and Project Design

The document emphasizes the importance of diagnostic work in shaping the success of tax reform projects. A suggested diagnostic framework includes three key areas:

Tax policy
Accountability
Service delivery (efficiency and effectiveness)

Each area is assessed based on:

Capacity (e.g., training, research, staffing)
Institutions (e.g., legal framework, autonomy, organizational structure)
Exogenous and environmental constraints (e.g., economic development, legal conventions, government credibility)

However, the review found that:

Most projects scored low on the diagnostic framework, covering less than 40% of the suggested categories.
Quantitative indicators were rarely used beyond tax ratios, rate differentiation, and the presence of value added tax (VAT).
Accountability, monitoring, and client services were often neglected.
Institutional analysis was insufficient, especially in structural and sectoral adjustment loans.

Project Outcomes and Challenges

Technical assistance projects focused on improving basic tax administration functions such as taxpayer identification, self-assessment, and computerization.
However, they often lacked significant organizational and procedural reforms, leading to limited effectiveness.
Some projects, like the Philippines Tax Computerization Project, successfully integrated inputs from multiple development partners and improved revenue collection and customs efficiency.
Chile's Second Public Sector Management Project was noted as a successful example, combining computerization with training, organizational reform, and performance evaluation.

Lessons Learned

Pre-project diagnosis is crucial for effective project design and should include institutional concerns such as accountability, transparency, and good governance.
Project design should align with a strategic vision and be tailored to the country's implementation capacity.
A standard set of performance indicators should be established, including baseline data and post-project goals, preferably based on best practices.
Appraisal and post-project evaluation should use the same indicators to ensure consistency and accountability.
Institutional hypotheses should be tested to better understand the framework of tax administration reform.
Academic consultants can play a vital role in providing proper diagnosis, design, and evaluation support.

Recommendations

Develop a formal and accepted methodology for institutional analysis in tax reform projects.
Incorporate quantitative indicators alongside qualitative assessments.
Ensure that accountability, client services, and administrative autonomy are central to project design.
Use performance-linked incentives and technology in conjunction with institutional reforms.
Promote collaboration with multiple development partners to enhance project outcomes.