Using a data set for all sumo wrestlers in the post-World War II period, this paper investigates how wrestlers’ body mass index (BMI) is associated with wrestlers’ winning rate and absence rate. Further, the effect of BMI is compared between an early period (before the emergence of foreign...

I investigated how people's childhood experiences of involvement in team sports helped them develop non-cognitive skills, which later prompted them to make charitable donations to disaster victims. I independently collected individual-level data from approximately 7000 observations in 2016. The...

Using data on wrestlers and tournaments since the early 1970s, we study promotion practices in Sumo, a Japanese traditional sport. We show that, especially since 2010, foreign-born wrestlers trying to attain the second highest rank in Sumo were treated less favorably than Japanese born...

This paper attempts to investigate how information transparency affects human behavior. Thus, we empirically examine the influence of information disclosure ordinances on the income of mayors and chief executives in local governments in Japan. For the estimation, we use panel data of local...

This study analyzes the altruistic and selfish motivations of charitable giving in the context of Japan’s hometown tax donation system, whereby people can donate to municipalities where they do not live and receive reciprocal gifts, using local government-level panel data for 2008–2015. We...

This study investigates how spousal age gaps influence the allocation of housework between husbands and wives. Further, we consider the identity formed as a result of respondents’ family backgrounds by specifically exploring the effects of the age gaps between the respondents’ parents. We...

This study analyzes how the historical work status of women contributed to subjective views about female labor participation in Japan. We matched historical and individual-level data. Based on a sample size of almost 10,000, we examined the long-term effect of female teachers’ wage level...

This paper examined how meeting the team-specific human capital is important in a football player’s performance by comparing the top two league teams. From panel data of the Japan Professional Football League, we find that changing the team reduced a player’s performance and that the...

I examined how childhood circumstances of parents’ smoking and drinking behaviors influenced their children’s health status in later life. During the initial survey, I asked the respondents about their parents’ unhealthy behaviors when they were in primary school. Using this data, I...

Using teacher–student random gender matching and hand-collected individual-level data, we examine how female teachers in elementary schools influence students’ time preferences in adulthood. Our major finding is that female teachers lead pupils to have lower time discount rates. Furthermore,...