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Kunitachi, Japan

Hitotsubashi University is a national university specialised in the social science in Tokyo, Japan. The university has campuses in Kunitachi, Kodaira, and Kanda.Hitotsubashi is considered one of the most prestigious universities and the best in economics and commerce related subjects in Japan, consistently ranking amongst the top universities in Japanese university rankings. It was ranked 25th in the world in 2011 by École des Mines de Paris and is one of the highest ranked national universities that is not one of the National Seven Universities.Hitotsubashi has strong relationships with overseas universities. There are about 590 international students and 450 researchers from abroad under academic exchange agreements with 83 universities and research institutions, including University of Chicago, the University of Oxford and the University of California.The university's symbol is inspired by Mercury, Roman mythology's god of commerce. Wikipedia.


Fukao K.,Hitotsubashi University
Asian Economic Policy Review | Year: 2013

Using industry- and micro-level data, this paper examines why Japan's productivity growth has been slow for such a long time and how it can be accelerated in the future. Japan's capital-gross domestic product ratio continued to increase after 1991, and this increase in the capital-gross domestic product ratio must have contributed to the decline in the rate of return on capital in Japan by decreasing the marginal productivity of capital. On the other hand, Japan's accumulation of information and communication technology capital and intangible investment was very slow. Compared with large firms, which enjoyed an acceleration in the total factor productivity growth in recent years, Japanese small- and medium-sized enterprises were left behind in information and communication technology capital and intangible investment, and their productivity growth has been very low. Furthermore, as large firms expanded their supply chains globally and relocated their factories abroad, research and development spillovers from large firms to small- and medium-sized enterprises seem to have declined. © 2013 Japan Center for Economic Research.


Oshio T.,Hitotsubashi University
Journal of Epidemiology and Community Health | Year: 2016

Background It is well known that individual-level social capital is positively associated with health, but most preceding studies have not fully controlled for an individual's time-invariant attributes, especially unobserved ones. The current study attempted to address how the association between individual-level social capital and health is confounded by an individual's unobserved time-invariant attributes. Methods Data were collected from six-wave nationwide panel surveys conducted from 2005 to 2010, with 162 720 observations from 30 590 individuals. Individual-level bonding and bridging social capital, as well as their associations with self-rated health (SRH) and psychological distress (measured by Kessler 6 scores), were considered. Estimation results of crosssectional, prospective cohort and fixed-effects logistic models were compared. Results The OR of reporting poor SRH responding to high bonding social capital rose from 0.64 (95% CI 0.62 to 0.65) in the pooled cross-sectional model to 0.77 (0.75 to 0.80) in the prospective cohort model and 0.87 (0.82 to 0.92) in the fixed-effects model. Similar patterns were observed for bridging social capital, but the OR of reporting poor SRH became non-significant in the fixed-effects model. Similar results were obtained for psychological distress. Conclusions The results suggest that the association between individual-level social capital and health is overstated by an individual's unobserved time-invariant attributes. The relevance of health in individual-level social capital should be assessed cautiously.


Nakajima K.,Hitotsubashi University | Tabuchi T.,University of Tokyo
Journal of Regional Science | Year: 2011

The major objective of this paper is to estimate regional utility levels based on interregional migration data. We first revealed three stylized facts concerning migration behavior by examining long-term Japanese data on interregional migration. We then uncovered inconsistency between net migration and utility differential in the presence of distance-related migration costs. Based on the stylized facts and the inconsistency problem, we formulated an operational model and estimated interregional utility differentials. We showed that the interregional utility differentials converged until the late 1970s. We also showed that the utility estimates are highly correlated with the per capita real income. We also applied the model to interregional migration data in the United States and Canada and confirmed the model's validity. © 2010, Wiley Periodicals, Inc.


Mizanur Rahman Sarker M.,Hitotsubashi University
International Journal of Environmental Research and Public Health | Year: 2010

Adverse human health effects ranging from skin lesions to internal cancers as well as widespread social and psychological problems caused by arsenic contaminated drinking water in Bangladesh may be the biggest arsenic calamity in the world. From an arsenicosis patients survey, this paper empirically analyzes the determinants of arsenicosis patients' perception about chronic arsenic poisoning and social and psychological implications of arsenicosis. In this study, cross-sectional data were collected from the Matlab and Hajiganj Upzillas of Chandpur district which are known to be highly contaminated with arsenic in their underground water. Respondents informed that arsenic poisoning causes a wide range of social and psychological problems. Female respondents were less vulnerable in the case of social problems (p < 0.01) and more vulnerable for the psychological problems (p < 0.001) of arsenicosis than male respondents. The results based on logit analysis showed that education (p < 0.01) and household income (p < 0.05) were significantly correlated to respondents' perception about arsenicosis. The arsenicosis related special program (s) needs a clear understanding of people's perception about arsenic exposure for abating the health burden as well as social and psychological problems. © 2010 by the authors.


Oshio T.,Hitotsubashi University
Social Science and Medicine | Year: 2014

It is widely known that the mental health of middle-aged adults is closely associated with involvement in family caregiving, as well as socioeconomic and sociodemographic factors. However, most studies focusing on mental health in adulthood have not fully controlled for time-invariant factors. Moreover, the relative importance of factors associated with mental health has remained largely understudied. In the current study, we employed fixed-effects regression models to examine the manner in which middle-aged adults' mental health is associated with involvement in family caregiving and socioeconomic and sociodemographic factors, after controlling for time-invariant factors. Using data from a population-based, six-year panel survey in Japan, we focused on the evolution of the Kessler 6 (K6) scores (range: 0-24) for 26,522 individuals (12,646 men and 13,876 women) aged 50-59 years in 2005 over the subsequent five years. We found that men and women experienced 0.54 (95% CI 0.44-0.64) and 0.57 (95% CI 0.49-0.66) unit increases in their K6 scores, respectively, when they became involved in care provision for any family member. This magnitude of distress exceeded that associated with any socioeconomic or sociodemographic factor examined in this study. Furthermore, we found that care provision to a mother-in-law had an additional, negative association with mental health for female caregivers, as opposed to men. These findings suggest that more panel studies are needed to examine the correlates of mental health among middle-aged adults. © 2014 Elsevier Ltd.

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