Tadayoshi Otsuka

Tadayoshi Otsuka is a Professor at Waseda University’s Graduate School of Accountancy, specializing in actuarial science, insurance economics, and risk management. He holds a PhD in Economics from Musashi University and has held academic positions at Meiji University and Osaka University. His research focuses on public economics, labor economics, actuarial mathematics, and risk theory, with a strong emphasis on life insurance, pension systems, and financial insecurity among low-income and aging populations.

Education:

• PhD in Economics, Musashi University (2011–2013)
• Bachelor in Mathematics, Waseda University (1977–1981)

Research Interests:

Otsuka’s work bridges actuarial science and public policy, focusing on economic value-based pricing in life insurance, risk preparedness in low-income households, and quantitative analysis of financial anxiety in aging populations. He has developed novel actuarial models that explicitly incorporate profitability and risk, addressing limitations of traditional equivalence principle-based pricing.

Recent Article Trends:

His recent publications emphasize risk behavior of vulnerable populations, regional disparities in long-term care certification, and economic valuation of insurance systems. He employs statistical modeling, simulations, and exploratory data analysis to inform public policy and insurance practices.

Scientific Awards:

• Conference Chairman's Award, Society of Life Economics (2018)

Grants & Projects:

Otsuka has led multiple funded projects, including studies on low-income household risk preparedness, retirement financial anxiety, and healthy life expectancy projections, supported by institutions such as the Life Insurance Cultural Center and Japan Post Insurance Foundation.

Professional Roles:

He serves as Director of the Institute of Actuaries of Japan and holds editorial and executive roles in several academic societies, including the Japan Association of Insurance and Pension Risk Studies and the Asia-Pacific Risk and Insurance Association.