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“Income Risk, Macroeconomic and Demographic Change and Economic Inequality in Japan,” Journal of Economic Dynamics and Control, Vol. 36, pp. 63-84, 2012.
“On the Intergenerational Sharing of Cohort-Specific Shocks on Permanent Income (joint with Kenji Miyazaki and Makoto Saito),” Macroeconomic Dynamics, Vol. 14, No. 1, pp. 93-118, 2010.