BA in Economics,(Keio University), 学士 (経済学)(慶応義塾大学), MA in Economics (Economic Policy),(Keio University), 修士 [経済学 (経済政策専攻) ](慶應義塾大学), PhD in Economic History,(University of Birmingham (UK)), PhD in Economic History (経済史博士)(University of Birmingham (英国バーミンガム大学))