A Comparative Study of the World's Natural Disaster Insurance Systems: Implications for the Earthquake Insurance System of Japan(in Japanese)

In this paper, the natural catastrophe insurance systems of the world, including Japan's, are classified and compared from three aspects: government commitment, insurance scheme, and mitigation incentives. Through the study, the strengths and weaknesses of the Japanese earthquake insurance system are implied and future improvements are suggested. The comprehensiveness of the Japanese insurance system seems to be one of the strengths. On the other hand, further improvements are expected for the system in the participation rate, basis risk and mitigation incentives. The Japanese earthquake insurance system should encourage mitigation efforts by properly assessing the magnitude of risks, and by cooperating broadly with other systems.