Economics and Human Biology 30 1-13 2018年9月 [査読有り]
Women have a lower BMI than men in developed countries, yet the opposite is true in developing countries. We call this the gender BMI puzzle and investigate its underlying cause. We begin by studying time trends in Japan, where, consistent with th...
REVIEW OF ECONOMICS OF THE HOUSEHOLD 14(3) 553-575 2016年9月 [査読有り]
The Japanese government approved the use of oral contraception (OC) in 1999, but OC users remain a small minority in Japan. Using the results of an online survey conducted in 2010, I examine the factors determining Japanese women's choice of contr...
ECONOMICS & HUMAN BIOLOGY 18 125-138 2015年7月 [査読有り]
The body mass index (BMI) of the Japanese is significantly lower than is found in other high-income countries. Moreover, the average BMI of Japanese women is lower than that of Japanese men, and the age-specific BMI of Japanese women has decreased...