The purpose of this study is to investigate the impact of the Tokyo 2020 Olympic and Paralympic Games announcement on residential land prices. Using the data of official land prices from 2010 to 2015, the degree of the rise of the land prices was measured around the area in which the Olympic Village is built. Just after the announcement of September, 2013 the degree of the rise in land prices was measured around the area in which the Olympic Village is to be built. A rise in land prices of 8.0% around the Olympic Village and an average of approximately 3.0% within 12km of radius was confirmed in 2015 as a result of the estimation. When a proxy indicator of the urban redevelopments was added as a variable, a rise in land prices of an average of approximately 1.6% within the radius 12km from the Olympic Village was confirmed. In other words, these estimated results suggest the possibility that about half of rise in land prices was due to the influence of urban development.

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This study is an analysis of the effects of behavior-thinking style on rent arrears in private rental housing in Japan. This study aims to identify the cause of rent arrears in a discussion of housing safety nets using questionnaire data concerning rent arrears. The main findings are as follows. 1) The behavior-thinking style is different between people who have rent arrears experience and those who do not. 2) The results of logistic regression analysis show that factors of behavior-thinking style affect rent arrears. 3) The results of the path analysis show that factors of behavior-thinking style affect rent arrears. 4) The reason for rent arrears is very different for people who have rent arrears experience and those who do not. 5) People with few financial assets are prone to rent arrears. 6) People with experience of rent arrears are delinquent in mortgage loans, tuition loans, credit card loans, and so on. The conclusion is that the main cause of rent arrears is not income but behavior-thinking style.

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