National official statistics about domestic disasters only include indices on casualties and physical damages without covering any figure about indirect socioeconomic losses (ISEL). Accordingly, this paper develops calculation formulas for every item regarding on ISEL. Then those formulas are applied to both natural disaster (Typhoon Bolaven and Tembin) and human-caused disaster case (Sewol ferry accident) to analyze ISEL. The result shows that those ISEL are 2 times to 34 times larger than direct physical damages. If detailed field survey on its damage is executed on site, the amounts of ISEL are expected to become bigger. Thus, it is necessary to examine and collect not only physical damages but also ISEL followed by any disaster. In the near future, central and local government should make disaster relief and recovery policies based on accurate and reliable statistics related to natural and social disaster.
The purpose of this study is to develop a simplified technique to estimate Indirect Economic Damages (IEDs) from storm and flood disasters. An Economic Loss Coefficient (ELC) from each industry is calculated using input-output analysis. Through applying ELCs to the industry sectors directly affected by disasters from 2010 to 2015, the costs of IED per year is computed. Results show that the average cost of IED is 2.16 times larger than direct damages, nearly 0.1% of Korea's GDP. Moreover, IED quantity is significantly different depending on the type of disaster and the type of damaged industry. If central and local governments conducted more precise examinations of direct damages by industry, more credible indirect damages could be calculated.
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