Abstract
Insurance against disasters plays a critical role in community recovery by providing policyholders with reliable and timely payments for repairing or reconstructing damaged houses. By allowing homeowners to transfer risk, insurance enables homeowners to address house without experiencing significant financial burdens. Although historical events have highlighted the importance of insurance, its quantitative impact on community recovery, particularly in tornado-impacted communities, is understudied. This study focuses on advancing our understanding of whether sufficiently insured houses can have a positive impact on the recovery of tornado-impacted communities (i.e., the main research question). This paper proposes a two-stage simulation framework to quantitatively evaluate the effects of insurance on community recovery. In the first stage of the framework, we developed statistical models to estimate homeowners’ insurance decisions prior to a tornado event. In the second stage, we examined the effects of insurance on various aspects of community recovery. To develop empirical and statistical models regarding insurance decisions and their impacts on housing recovery, we collected data through online surveys targeting residents whose properties were damaged by the tornadoes that occurred in May 2019 in the United States. Finally, the proposed simulation framework was applied to the City of Dayton, Ohio following those May 2019 tornado events to address the main research question. The results of the simulation concluded that sufficiently insured houses can have a positive impact on community recovery and highlighted the need for effective policies and economic incentives to encourage individuals to purchase insurance.
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Funding
This work was supported by the Natural Hazards Center through its Mitigation Matters Research Program. The Mitigation Matters Research Program is based on work supported by the Federal Emergency Management Agency through supplementary funding to the National Science Foundation (Award #1635593). Any opinions, findings, conclusions, or recommendations expressed in this material are those of the authors and do not necessarily reflect the views of NSF, FEMA, and the Natural Hazards Center.
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Appendices
Appendix 1: Categories and questions included in the online surveys
Questionnaires | Categories | Questions |
---|---|---|
Closed-ended | Homeowner characteristics | Location (Zip code) |
Age (years) | ||
Gender | ||
Education | ||
Employment | ||
Ethnicity | ||
House condition at the time of the 2019 May tornado | Construction year | |
Construction material | ||
Property type and ownership | ||
Personal belonging value | ||
Property value | ||
Property mortgage status and balance | ||
Homeowners insurance information at the time of the 2019 May tornado | Homeowners insurance purchase | |
Dwelling coverage limit | ||
Dwelling deductible | ||
Annual insurance premium | ||
Additional Living Expenses (ALE) coverage | ||
Insurance claim application | ||
Total claim payment | ||
Percentage of reconstruction cost covered by insurance | ||
Time to receive an insurance claim payment | ||
Flood insurance information at the time of the 2019 May tornado | Flood insurance purchase | |
Flood insurance type | ||
Content coverage limit | ||
Content deductible | ||
Annual insurance premium | ||
Insurance claim application | ||
Total claim payment | ||
Percentage of reconstruction cost covered by insurance | ||
Time to receive insurance claim payment | ||
Reconstruction following the 2019 May tornado | House damaged by windstorm due to the 2019 May tornado | |
House damaged by rainwater due to the 2019 May tornado | ||
Repair actions | ||
Date of initial recovery | ||
Date of completed recovery | ||
Total wealth prior to the 2019 May tornado | ||
Total wealth following the 2019 May tornado | ||
Total combined economic losses resulting from the 2019 May tornado | ||
Financial aid from the federal or local government | ||
Time to receive government financial aid claim payment | ||
Financial hardship type due to 2019 May tornado | ||
Open-ended | Insurance-related experience | Reason for purchasing insurance or not |
Insurance claim experience | ||
Pros and cons of your insurance policy | ||
Willingness to purchase the insurance in the future | ||
Financial condition and aid | Other sources of funds to reconstruct property resulting from the 2019 May tornado | |
Most helpful sources of funds to reconstruct property resulting from the 2019 May tornado | ||
Experience during structural (building) damage repair/reconstruction process |
Appendix 2: Independent variables for regression models
Variables | Options |
---|---|
Location (Zip code) | Hazard-prone area |
Non-hazard-prone area | |
Age (years) | 18–29 |
30–39 | |
40–49 | |
50–59 | |
60–69 | |
Gender | Male |
Female | |
Education | High school degree |
Some college but no degree | |
Associate degree | |
Bachelor’s degree | |
Master’s degree | |
PhD degree | |
Employment | Employed, working 1–39 h per week |
Employed, working 40 or more hours per week | |
Not employed | |
Ethnicity | Caucasian |
Latino or Hispanic | |
Asian | |
African-American | |
Native American | |
House constructed year | Before 1970 |
1970–1979 | |
1980–1989 | |
1990–1999 | |
2000–2007 | |
2008–2013 | |
2014–2019 | |
Do not know | |
House construction material | Wood |
Concrete | |
Steel | |
Other | |
Do not know | |
Property type and ownership | House or condominium rented |
House or condominium owned or being bought by you or someone in your household | |
Apartment | |
Mobile or manufactured home owned or being bought by you or someone in your household | |
Personal belonging value | < $1000 |
$1000–$4999 | |
$5000–$9999 | |
$10,000–$49,999 | |
$50,000–$99,999 | |
$100,000–$199,999 | |
$200,000–$299,999 | |
$300,000–$399,999 | |
$400,000–$499,999 | |
$500,000–$749,999 | |
$750,000–$999,999 | |
$1,000,000–$1,499,999 | |
> $1,500,000 | |
Do not know | |
Property (house) value | < $50,000 |
$50,000–$99,999 | |
$100,000–$199,999 | |
$200,000–$299,999 | |
$300,000–$399,999 | |
$400,000–$499,999 | |
$500,000–$749,999 | |
$750,000–$999,999 | |
$1,000,000–$1,499,999 | |
> $1,500,000 | |
Do not know | |
Property (house) mortgage balance | < $10,000 |
$10,000–$49,999 | |
$50,000–$99,999 | |
$100,000–$199,999 | |
$200,000–$299,999 | |
$300,000–$399,999 | |
$400,000–$499,999 | |
$500,000–$749,999 | |
$750,000–$999,999 | |
$1,000,000–$1,499,999 | |
> $1,500,000 | |
Do not know |
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Zhao, J., Lee, J.Y., Yan, G. et al. Quantifying the role of insurance in tornado-impacted community recovery: a survey and simulation-based approach. Nat Hazards (2024). https://doi.org/10.1007/s11069-024-06525-0
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DOI: https://doi.org/10.1007/s11069-024-06525-0