2023-03-21-亚开行-人口老龄化_白银红利与经济增长（英）_50页_826kb

Summary of "Population Aging, Silver Dividend, and Economic Growth"

Introduction

The report analyzes the effects of population aging on economic growth, focusing on the "silver dividend" concept, which emphasizes increased longevity and longer working life as potential growth drivers in aging societies. Using empirical data from 166 countries, the study explores channels through which aging influences growth, finding that lower total factor productivity (TFP) growth is the primary negative mechanism.

Key Findings

• Main Mechanism of Harm: Population aging negatively impacts economic growth primarily through a decline in TFP growth, as older populations are less innovative and technological progress stalls.
• Labor Shortage Mitigation: Labor shortages caused by aging are largely offset by higher labor force participation rates, particularly among older workers, with life expectancy, human capital, and trade openness amplifying this effect.
• Empirical Evidence:
  • TFP growth decline is the dominant channel, outweighing other factors like reduced physical or human capital.
  • Labor force participation increases significantly across genders and age groups, with older workers showing the strongest response to offset shortages.
  • Nonlinear effects depend on country characteristics: aging has a more pronounced negative impact in high-income, advanced economies, and the mitigating role of labor participation varies by factors such as human capital and life expectancy.
  • Trade openness and capital market openness influence how aging affects growth, with trade openness easing some negative impacts.

Conclusions and Implications

The silver dividend can partially counteract the negative effects of aging by extending work life and boosting labor supply. However, it is insufficient to fully offset the decline in TFP growth, which is a critical concern for sustainable economic growth. Policymakers should prioritize measures to enhance productivity, such as supporting lifelong learning, technology adoption, and flexible labor markets, especially in aging societies.