Regional indirect economic impact evaluation of the 2008 Wenchuan Earthquake |
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Authors: | Jidong Wu Ning Li Stéphane Hallegatte Peijun Shi Aijun Hu Xueqin Liu |
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Institution: | 1.State Key Laboratory of Earth Surface Processes and Resource Ecology,Beijing Normal University,Beijing,China;2.Key Laboratory of Environmental Change and Natural Disaster,Ministry of Education, Beijing Normal University,Beijing,China;3.Centre International de Recherche sur l’Environnement et le Développement,Paris,France;4.Ecole Nationale de la Météorologie, Météo-France,Toulouse,France;5.Hunan Meteorological Bureau,Changsha,China;6.Academy of Disaster Reduction and Emergency Management,Ministry of Civil Affairs, Ministry of Education,Beijing,China |
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Abstract: | Disaster loss estimates are helpful for managing post-disaster reconstruction and for designing disaster-risk mitigation strategies.
However, most of these estimates in China merely consider direct losses, and only a few include indirect economic losses.
As the most destructive earthquake since the founding of the People’s Republic of China in 1949, the Wenchuan Earthquake that
occurred in 2008 resulted in direct economic damages reached Chinese Yuan (CNY) 845 billion (US $124 billion). The aim of
the study was to estimate indirect economic losses caused by the Wenchuan Earthquake in Sichuan Province through the Adaptive
Regional Input–Output (ARIO) model, which can reflect disaster-related changes in production capacity, ripple effects within
the economic system, and adaptive behaviors of economic actors. The results showed that indirect economic losses in the production
and housing sectors were estimated at 40% of the direct economic losses, i.e., approximately CNY 300 billion; moreover, the
model predicted an 8-year reconstruction period. Several factors contributed to these losses, including significant damages
to key sectors, financial constraints on reconstruction, post-earthquake investment instability, and limits in reconstruction
capacity. Active government support policies post-earthquake are a useful strategy to mitigate the adverse economic impact
of an earthquake in developing countries. |
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