This paper addresses the question of continuity in the long-term development of the Japanese tax system, focussing on the process of fiscal reform in the 1930s to assess the impact of war on policy making. Specifically, it tracks the response of bureaucrats in the finance ministry to the challenge of how to conciliate economic growth with tax increases and redistribution of the burden. The views of ministerial officials on these issues are investigated on the basis of classified documents issued by the Tax Bureau in those years, which previous research has only partially examined. The analysis points that, rather than looking at war as an opportunity to push through a structural reform, bureaucrats continued to follow policy guidelines that...