Research Fellow
Ocean Policy Research Institute of The Sasakawa Peace Foundation

Hajime Tanaka is affiliated with the Ocean Policy Research Institute (OPRI) as Research Fellow. He has master degrees of Economics from Waseda University and International Affairs from University of California, San Diego, and is a PhD candidate of Agriculture from University of Tokyo. His specialized field is the Impact evaluation analysis using Econometrics and Geographical information System in the field of Ocean Economy. 


Blue Economy, Disaster, Blue Financing, Climate Change, Ocean Plastic Issue, Statistics, Spatial Statistics, Economics




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Dunz, N., Tanaka, H., Shiba, Y., Mochizuki, J., Naqvi, A. (Forthcoming) ”Building Back Better in Small Island Developing States in the Pacific: Initial insights from the BinD Model on disaster risk management policy options in Fiji”, Asian Development Bank Institute.

Tanaka, H., Shiba, N., Huang, M. (2021) “Disaster Impact Assessment and Vulnerability Index (VI) of a Tsunami: An Approach using Geographic Information System (GIS) and General Equilibrium for Mie Prefecture, Japan”, Integrated Disaster Risk Management Journal, Vol. 11, Issue 1,

Shiba N., Wu H., Huang M., Tanaka H. (2021) "How blue financing can sustain ocean conservation and development: A proposed conceptual framework for blue financing mechanism", Marine Policy.

Tanaka, H. & Huang, M. (2021) “Impact assessment and a fiscal recovery policy for tsunami risk: GIS and the general equilibrium approach in Hakodate city, Japan”, Environment and Planning B: Urban Analytics and City Science, Vol 48, Issue 5, 2021, pp. 1144–1160,

Tanaka, H. & Huang, M. (2020) “The Impact Assessment and Resilience toward Tsunami Risk: A Recursive General Equilibrium Analysis on Hakodate City”, In Climate Change and Disaster Management Law and Policy, 1-17.

Tanaka, H. & Huang, M. (2020) “Policy simulation of 6th industrialization subsidy using dynamic general equilibrium model: Case of Hakodate city, Hokkaido”, Ocean Policy Studies. (In Japanese)

Shioiri, T., Yoshioka, N., Tanaka, H., Seino, S. & Isobe, T. (2019) “Quick Survey Method for River Litter Coupled with Spatial Autocorrelation Analysis”. Journal of coastal zone studies, 32(3), 31-40. (In Japanese with English abstract)

Tanaka, H. (2015) “Historical creating-process of the Debt-Deflation Theory”. Waseda University Master Thesis. (In Japanese).


Using Regional Input-Output Table for an Economic Evaluation of the Amended
Fisheries Act: A Case of Squid-related Industry in Hakodate City, Japan (October 31, 2021).
ADBI-OPRI, Virtual Conference on Blue Economy and Blue Finance: Towards Sustainable Development and Ocean Governance (November 30, 2020).
ADBI-Purdue University-University of Tokyo, Virtual Workshop on Resilience of Cities to External Shocks: Analysis, Modeling, and Economic Impacts (October 27-28, 2020).
Integrated Disaster Risk Management (IDRiM) Society. IDRiM Virtual Workshop for Interactive Discussions between Senior and Early-Career Scientists. Tsunami Disaster Impact and Vulnerability Index Assessment: An Approach of GIS and CGE model for Mie Prefecture, Japan (September 24, 2020).

WORLD BOSAI FORUM (November 9-12, 2019).

Asia Pacific Social Enterprise Summit (May 11, 2019).




"How can we approach to ocean micro plastic debris ?"  Asia Pacific Social Enterprise Summit (May 11, 2019)


Japan Society of Ocean Policy
Japanese Association for Coastal Zone Studies
Pan Pacific Association of Input-Output Studies


Research fellow at the Ocean Policy Research Institute (OPRI), the Sasakawa Peace Foundation (2018)


STATA, R, Python, Arc-GIS, Google Satellite API


Master’s Degree in International Affairs of China and Quantitative Analysis Certificates from the Project Design and Evaluation Lab at the University of California, San Diego in 2018
Master’s Degree of Economics from the Graduate School of Waseda University in 2015
Bachelor’s Degree of Economics from Waseda University in 2012.