Akio Yamazaki is an assistant professor 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 Environmental Economics and Management and the Journal of the Association of Environmental and Resource Economists.


  • 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

Upcoming Talks

Kobe University


Journal Articles

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(2020). Comparing applied general equilibrium and econometric estimates of the effect of an environmental policy shock. Journal of the Association of Environmental and Resource Economists
(Received honorable mention for 2020 JAERE Best Paper Award)

Preprint PDF

Working Papers (Under review)

(2020). The Effectiveness of Revenue-Neutral Carbon Tax. GRIPS Discussion Paper (R&R at Environmental and Resource Economics).


(2020). Environmental Taxes and Productivity: Lessons from Canadian Manufacturing. GRIPS Discussion Paper (R&R at Journal of Public Economics).


Policy Papers



Assistant Professor

National Graduate Institute for Policy Studies

Oct 2019 – Present 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