Akio Yamazaki is an associate professor (tenured) at the National Graduate Institute for Policy Studies. His work focuses on the evaluation of the effectiveness and economic impact of climate change policies. Specifically, his research analyzes how carbon taxes affect energy use, employment, and productivity. His purpose is to inform policymakers and the public about the economic benefits and costs of climate policies, thus aiding with the design and implementation of cost-effective and evidence-based policy.

Yamazaki is also an adjunct assistant professor in the department of economics at the University of Calgary. He holds a PhD in economics from the University of Calgary, Master of Art in economics from the University of Southern California and a bachelor’s degree in economics from the University of California, Davis. Prior to his completion of his PhD, he was pre-doctoral research fellow in the Smart Prosperity Institute at the University of Ottawa.

His recent research has been published in the Journal of Public Economics, Journal of Environmental Economics and Management, Journal of the Association of Environmental and Resource Economists, Environmental and Resource Economics, and Climate Change Economics.


  • Environmental Economics
  • Public Economics
  • Applied Microeconomics


  • PhD in Economics, 2019

    University of Calgary (Supervisor -- Dr. M. Scott Taylor)

  • MA in Economics, 2012

    University of Southern California

  • BA (Highest honor) in Economics, 2009

    University of California, Davis

  • AA (Highest honor) in Transfer, 2007

    City College of San Francisco


  • J-TREE is hosting its inanugural regional workshop at Sendai on Feb 21, 2024. Call for papers is up. Please submit your papers. Submit
JTREE Regional Workshop

Upcoming Talks

  • TBA

Working Papers (Under review)

Policy Papers



Associate Professor

National Graduate Institute for Policy Studies

Oct 2022 – Present Tokyo, Japan

Assistant Professor

National Graduate Institute for Policy Studies

Oct 2019 – Sep 2022 Tokyo, Japan

Adjunct Assistant Professor

University of Calgary

Sep 2019 – Present Calgary, Canada

Predoctoral Fellow

Smart Prospersity Institute, University of Ottawa

Jan 2018 – Jun 2018 Ottawa, Canada

Chief Operating Officer

MangoTango Frozen Yogurt, Inc.

Aug 2009 – Jun 2010 California, USA