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1. A Quantitative Analysis of Disaster Risk Reduction Investment Effects for Sustainable Development: Indonesia Case Study

Author:
Hiroaki Ishiwata, Hiroyuki Wada, Koji Suzuki, and Naoto Tada
Publication Date:
06-2020
Content Type:
Working Paper
Institution:
Economic Research Institute for ASEAN and East Asia (ERIA)
Abstract:
This paper analyses the long-term impacts of large-scale disasters on the economic growth of developing countries in the Association of Southeast Asian Nations (ASEAN) Community, by the scale of disaster risk reduction (DRR) investments. As a means of quantitatively analysing the optimal level and economic efficiency of DRR investments, a case study was conducted on Indonesia by using a dynamic stochastic macroeconomic model. The results showed that in Indonesia, although greater economic growth is expected when additional DRR investments are made, an excessive DRR investment may contrarily lead to a slowdown in economic growth: an optimal level of DRR investment exists and maintaining its level is essential for sustainable economic growth. Furthermore, it was confirmed that there is a break-even point when the amount of accumulated disaster damage mitigation benefits exceeds the amount of accumulated DRR investment. This demonstrated that the funds invested in DRR could be recovered. Additionally, the results also showed that even if no disaster damage is caused over a long period of time, DRR investments are by no means redundant as the ‘ex-ante risk reduction effect’ will be generated when the optimal level of DRR investment is made. Lastly, it was determined that providing a continuous DRR investment is important in achieving the global target set forth in the Sendai Framework for Disaster Risk Reduction. In addition, it is considered desirable to maintain a higher level of DRR investment than that which is currently being implemented.
Topic:
Economic growth, Investment, Risk, and Disaster Management
Political Geography:
Indonesia, Asia, and Indo-Pacific

2. Economic Damage from Natural Hazards and Local Disaster Management Plans in Japan and Thailand

Author:
Makoto Ikeda and Thawatchai Palakhamarn
Publication Date:
10-2020
Content Type:
Working Paper
Institution:
Economic Research Institute for ASEAN and East Asia (ERIA)
Abstract:
Japan and Thailand are geographically similar in that both countries have a vast coastline and a population that is concentrated in urban areas. Natural hazards such as earthquakes, tsunamis, typhoons, floods, and landslides bring about a considerable amount of damage every year. To counter these natural hazards, both countries have developed disaster management laws at the national, provincial, and prefectural levels. Establishing and executing local disaster management plans is particularly important as the initial response to a disaster is first performed at the local level. In this study, we have focused on the local disaster management plans in Thailand and examined the state of the development of the plans, which are essential during a post-disaster period. We also found that in Japan there was a defined tangible system of cooperation with the private sector based on the unique characteristics of each local government.
Topic:
Natural Disasters, Risk, Private Sector, and Disaster Management
Political Geography:
Japan, Asia, and Thailand