2009年-世界发展银行全球_Aggregate_Economic_Shocks_Child_Schooling_and_Child_Health_35页_304kb

Summary of "Aggregate Economic Shocks, Child Schooling, and Child Health"

Core Content

This paper by Francisco H. G. Ferreira and Norbert Schady examines how aggregate economic shocks—such as macroeconomic crises, droughts, and changes in export prices—affect child schooling and health outcomes across different countries. The authors propose a conceptual framework to understand these effects, highlighting the interplay between income and substitution effects, and discuss empirical evidence supporting their theoretical analysis.

Main Viewpoints

• Theoretical Ambiguity: Aggregate economic shocks have both income and substitution effects on child schooling and health. The income effect typically leads to reduced investments in children, while the substitution effect encourages more education and health investment due to lower opportunity costs.
• Country-Specific Outcomes:
  • In richer countries like the United States, child health and education outcomes are counter-cyclical, improving during recessions.
  • In poorer countries, particularly in Africa and low-income Asia, these outcomes are procyclical, worsening during economic downturns.
  • In middle-income countries, such as parts of Latin America and Eastern Europe, the relationship is more nuanced, with health outcomes often being procyclical and education outcomes counter-cyclical.
• Credit Market Access: The presence of functioning credit markets is crucial in determining the net effect of shocks. In countries with better access to credit, households can smooth consumption, reducing the negative impact of shocks on education and health investments.
• Income Level and Crisis Severity: The initial income level and the depth and duration of the crisis influence the magnitude of the impact on child human capital. Poorer countries and households are more vulnerable to negative effects.
• Public Spending: Reductions in public expenditures on education and health can amplify the negative income effects of shocks, especially in developing countries where public services are a major source of access.

Key Information

Conceptual Framework

• Income Effect: A reduction in household income leads to decreased ability to invest in child health and education.
• Substitution Effect: Lower wages reduce the opportunity cost of education and health investments, potentially increasing their demand.
• Credit Market Role: Access to credit allows households to smooth consumption, mitigating the income effect and leading to counter-cyclical schooling outcomes.
• Quality of Services: In countries where public services are important, reductions in public spending can directly affect the quality of education and health, further worsening outcomes.

Empirical Evidence

Schooling Outcomes

• In the United States, the Great Depression led to increased high-school enrollment and graduation rates, suggesting counter-cyclical trends.
• In Mexico, during the 1995–96 Peso crisis, school enrollment rates increased during the crisis, especially among boys aged 15–20.
• In Peru, the late 1980s crisis led to lower child labor rates and higher school attainment levels for children with high exposure to the crisis.
• In Brazil, macroeconomic contractions were associated with lower school enrollment in aggregate data, but state-level wage variations showed that higher wages for unskilled workers were linked to lower school attendance.
• In Costa Rica, the 1981–83 recession led to increased school enrollment and decreased child labor.

Health and Nutrition Outcomes

• In Zimbabwe, the 1982–84 drought led to persistent declines in child height, indicating procyclical health outcomes.
• In the United States, child health outcomes are counter-cyclical, with lower infant and adult mortality during recessions.
• In Guatemala, nutritional interventions improved long-term cognitive and economic outcomes, showing the importance of early-life investments.
• Fertility Response: Economic shocks can lead to procyclical or countercyclical changes in fertility depending on the relative strength of income and substitution effects.
• Health-Promoting Goods: In poor countries, a reduction in income leads to less consumption of nutritious food and health services, worsening child health outcomes.

Policy Implications

• Expenditure Allocation: Public policy should consider the impact of economic shocks on child investments and ensure protection of education and health expenditures during downturns.
• Credit Access: Improving access to credit markets can help mitigate the negative effects of aggregate shocks on child human capital.
• Investment in Early Life: Early investments in child health and education have long-term benefits, and policies should aim to support these investments even during economic downturns.

Conclusion

The paper highlights the complex and context-dependent effects of aggregate economic shocks on child schooling and health. While theoretical models suggest ambiguity, empirical evidence shows that richer countries tend to exhibit counter-cyclical trends, while poorer countries show procyclical effects. The role of credit markets, public spending, and crisis severity is critical in determining the net impact of these shocks on child human capital. Understanding these dynamics is essential for designing effective poverty reduction and human capital investment policies.