Altruism and Fiscal Sustainability (with Sagiri Kitao and Taiki Ono)

Alternative Population Projections and Fiscal Sustainability in the U.S. and Japan [with Tomoaki Yamada (Meiji University)].

What Do Successive IPSS Projections in Japan Say about Fiscal Sustainability? [with Tomoaki Yamada (Meiji University)].

Optimal Pension Reforms during Demographic Transitions [with Daniel Carroll (Cleveland Fed), Sewon Hur (Yonsei University), and Zhixiu Yu (LSU)]