SUMIYA Kazuhiko

SUMIYA Kazuhiko

SUMIYA Kazuhiko

Fellow (Policy Economist)

Personal website

Activities at RIETI


Labor Economics, Public Economics, Applied Microeconometrics


2018 PhD in Economics; Royal Holloway, University of London
2014 MRes in Economics; University College London
2012 MA in Economics; University of Tokyo
2009 BA in Economics; University of Tokyo


2019 – Present Fellow; Research Institute of Economy, Trade and Industry (RIETI)
2019 – Present Part-time Researcher; Waseda University
2018 – 2019 Postdoctoral Fellow; Aarhus University

Selected Publications and Papers

  • Accumulating Effects of Income Taxes on Wages: Micro Evidence from Denmark (2018)
  • Income Taxation and the Equilibrium Allocation of Labor (2018) with Jesper Bagger, Mads Hejlesen and Rune Vejlin