联合国西亚经济社会委员会-减贫_增长和再分配组成部分（英）-2025_28页_1mb

报告摘要

Key Findings on Poverty Reduction: Growth vs Redistribution

Poverty reduction primarily stems from economic growth, particularly when it benefits lower-income households (pro-poor growth).
While income redistribution and adjustments to poverty lines also play roles, their impact is typically secondary compared to growth.
Across most countries and regions, the elasticity of poverty reduction to growth (GEP) is significantly higher than to inequality (IEP) or poverty line changes.
Steady economic growth is identified as the primary prerequisite for consistent poverty reduction, supporting policies that focus on inclusive growth before emphasizing redistribution.
Inflation and economic instability (e.g., recurring conflicts) hinder growth, thereby limiting poverty reduction progress.

Methods and Data

The study utilizes microdata on household income, inequality, and poverty headcount ratios, using regression analysis of logarithmic changes to estimate elasticities.
Poverty measurements are based on national poverty lines, adjusted for cross-country comparability, and complemented by fixed international thresholds ($2.15 and $6.85 per day).
The analysis accounts for country-level heterogeneity through fixed effects and country interactions.

Regional Differences

Growth elasticity varies by country group but remains dominant in all regions.
Control variables like the poverty line further emphasize the importance of growth over redistribution or inequality adjustments.

Policy Implications

Prioritize policies that ensure inclusive growth, focusing on income generation at the lower end of the income distribution.
Sub-secondary focus should be on redistribution, especially in contexts where growth effects are already established but distributional concerns persist.

Data Trends

Success in poverty reduction is tightly linked to sustained year-to-year income growth, with gains exceeding declines in inequality or changes in poverty definitions.
Growth in high-income countries is robust, while regions like Sub-Saharan Africa and low-income countries show the weakest growth performance but still demonstrate recognition that growth is key to poverty reduction.

Conclusion