2018年-世界发展银行全球_Safety_Nets_and_Natural_Disaster_Mitigation___Evidence_from_Cyclone_Phailin_in_Odisha_32页_1mb

Summary of "Safety Nets and Natural Disaster Mitigation: Evidence from Cyclone Phailin in Odisha"

Core Content

This paper investigates the effectiveness of a rural livelihoods program, specifically the Targeted Rural Initiatives for Poverty Termination and Infrastructure (TRIPTI) program, in mitigating the negative impacts of Cyclone Phailin on household welfare in Odisha, India. The study leverages a natural experiment created by the overlap of Phailin's impact and the staggered rollout of TRIPTI, using household survey data and rainfall data to assess the program's role in reducing the adverse effects of the cyclone on consumption and well-being, with a particular focus on gender differences.

Main Findings

• Cyclone Impact: Cyclone Phailin, which struck Odisha in October 2013, caused significant reductions in total household consumption. Households experienced a shift from purchased food to home-grown stocks, indicating a coping strategy in response to the disaster.

• Gender Disparities: Women were disproportionately affected, with the largest reductions in expenditure on women's goods (e.g., clothing, hygiene products). This supports the hypothesis that women are more vulnerable to the effects of natural disasters on household consumption.

• TRIPTI Mitigation: Participation in the TRIPTI program mitigated some of the negative impacts of the cyclone, particularly on non-food expenditure and women's consumption. However, it did not significantly reduce food expenditure, suggesting that food security remains a critical area for intervention.

• Community Engagement: TRIPTI areas showed higher levels of engagement with village politics and more use of government services post-cyclone, compared to non-TRIPTI areas. This implies that the program may have strengthened social capital and political awareness.

• Coping Strategies: Households in TRIPTI areas were more likely to take out loans and participate in the National Rural Employment Guarantee Scheme (NREGS), especially women. This indicates that the program may have enhanced financial resilience and labor participation.

Key Information

• TRIPTI Overview:

  • Launched in 2009, funded by the World Bank, and implemented by the Government of Odisha.
  • Aimed at reducing rural poverty by promoting self-help groups (SHGs), improving access to credit, and enhancing livelihood diversification.
  • SHGs were established in villages, with a focus on women's empowerment and community cohesion.

• Data Sources:

  • Rainfall Data: From the Indian Meteorological Department (IMD), covering 1°×1° grids in Odisha from 1951 to 2013.
  • Household Data: From two surveys conducted by the World Bank in 2011 and 2014, covering 80 Gram Panchayats (GPs) in 10 coastal districts of Odisha.

• Methodology:

  • A difference-in-differences (DID) approach was used to estimate the impact of Phailin on household well-being.
  • A triple difference (TD) model was employed to assess the mitigating effect of TRIPTI on Phailin impacts.
  • The analysis accounts for spatial autocorrelation and time-invariant characteristics of households and locations.

• Results:

  • Exposure to Phailin: Households in areas with higher rainfall shocks (from Phailin) experienced greater declines in consumption and well-being.
  • TRIPTI Effects: The program reduced the negative impact of Phailin on non-food expenditure and women's consumption, but not on food expenditure.
  • Gender Differences: Women in TRIPTI areas showed improved autonomy in mobility and higher engagement with institutional responses to community problems, such as domestic violence and alcoholism.

Policy Implications

• The study highlights the importance of gender-sensitive safety net programs in mitigating the adverse effects of climate-induced disasters.
• TRIPTI's focus on women's empowerment and community organization appears to enhance resilience and coping mechanisms.
• The findings suggest that microcredit interventions like SHGs can play a role in improving financial access and community engagement during and after natural disasters.
• The results inform future policy approaches by demonstrating that pre-existing programs can provide critical support in disaster scenarios, especially in vulnerable regions.

Limitations and Considerations

• The study acknowledges that differential trends in variables like rainfall or economic conditions could affect the results, though no such evidence was found.
• The analysis is based on coarse spatial data, limiting the precision of the findings.
• The design is interpreted as a differences-in-differences rather than a regression discontinuity design due to the lack of transparency in the assignment of treatment blocks.

Conclusion

This paper provides empirical evidence on the impact of natural disasters on household consumption, with a particular emphasis on gender disparities. It also demonstrates that pre-existing rural livelihood programs like TRIPTI can help mitigate the effects of extreme weather events, especially in terms of non-food expenditure and women's well-being. The results underscore the value of targeted safety nets in improving resilience to climate change.