"Happiness and Sex Difference in Life Expectancy" Max Planck Institute for Demographic Research Working Papers, 2009-009 (2009).
"On the intertemporal allocation of consumption, mortality and life-history strategies" Max Planck Institute for Demographic Research Working Papers, 2009-008 (2009).
"Household Saving Rate and a Continuous Increase in Lifetime in the 1990s among OECD countreis" Meikai Economic Review, No. 18 (2006).
"The Theoretical Analysis of Income and Lifetime in the Early Stage of Development" Meikai University Discussion Paper, 2005-003 (2005).
"Human Capital and Longevity in the Early Stage of Deveelopment" Meikai Economic Review, No. 17 (2005).
"A Continuous Increase in Lifetime, Uncertainty, and the Dissaving Behavior of the Elderly" Meikai University Discussion Paper, 2004-003 (2004). Download
"The Effects of A Continuous Increase in Lifetime on Saving," The Review of Income and Wealth, 49 (2), 163-183 (2003).