In earthquake disasters, most of deaths are attributed to collapse of vulnerable buildings, m8Wv46%
particularly houses. Governments are forced to invest a huge amount of resources for aid of the G8]DK3#
evacuees, demolition of debris, construction of temporary houses and permanent houses, due to "EA6RFRD
collapse of houses. Vulnerable houses with adobe, stone, or brick, which are commonly seen @UbH ;m
throughout the developing world, exist in a huge number and are being reproduced. The Kobe X5s. F%Np!
Earthquake in 1995 revealed that the Japanese common wooden houses are also vulnerable against #Az#dt]H
earthquakes. It is therefore indispensable to make existing houses safer by retrofitting for effective
V L^.7U
earthquake disaster management. However, it is difficult to motivate people for retrofitting as Z )Imj&;
people tend to choose future uncertain loss rather than the current loss, i.e. investment for kzMul<>sl
retrofitting. This paper discusses how people can be motivated for retrofitting and then proposes \0}!qG
