Sasahara Akira

Profile Information

Affiliation: Associate Professor, Faculty of Economics, Keio University

Researcher number: 30895751
J-GLOBAL ID: 202001019871581206
researchmap Member ID: R000010715

External link: https://sites.google.com/view/akirasasahara/home

Research Areas

Humanities & social sciences / Economic policy / International Economics

Research History

Jun, 2020 - Present

Associate Professor of Economics, Faculty of Economics, Keio University
Aug, 2017 - May, 2020

Assistant Professor of Economics, College of Business and Economics, University of Idaho

Education

Sep, 2012 - Jun, 2017

Economics Department, University of California, Davis
Apr, 2009 - Mar, 2011

Graduate School of Economics, Hitotsubashi University
Apr, 2005 - Mar, 2009

Business and Commerce, Keio University

Committee Memberships

Jul, 2023 - Present

The Student Event Organizing Committee, The Kanto Division of the Japan Society of International Economics
Jan, 2023 - Present

The Childcare Service Organizing Committee, Japanese Economic Association, The Japanese Economic Association
Jan, 2025 - Oct, 2025

The Program Committee, The 2025 Fall Meeting of the Japanese Economic Association, The Japanese Economic Association
Oct, 2023 - Oct, 2024

The Program Committee, The 83rd Annual Meeting of the Japan Society of International Economics, The Japan Society of International Economics
Nov, 2022 - Oct, 2024

Committee Member, The Kanto Division of the Japan Society of International Economics
Oct, 2022 - Oct, 2022

Childcare Service Local Organizing Committee, The 2022 Fall Meeting of the Japanese Economic Association, The Japanese Economic Association
Oct, 2022 - Oct, 2022

Local Organizing Committee, The 2022 Fall Meeting of the Japanese Economic Association, The Japanese Economic Association
Aug, 2022 - Aug, 2022

The Local Organizing Committee, The 2022 Asian Meeting of the Econometric Society, The Econometric Society
May, 2022 - May, 2022

Anti-Harassment Committee, The 2022 Spring Meeting of the Japanese Economic Association, The Japanese Economic Association

Awards

Papers

Margins, concentration, and the performance of firms in international trade: Evidence from Japanese customs data

Ito K., Endoh M., Jinji N., Matsuura T., Okubo T., Sasahara A.

Journal of the Japanese and International Economies, 75, Mar, 2025
Costs of Sovereign Debt Crises: Restructuring Strategies and Bank Intermediation

Tamon Asonuma, Marcos Chamon, Aitor Erce, Akira Sasahara

Journal of International Economics, 152(November) 104002, Sep 11, 2024 Peer-reviewed
Importing Inputs for Climate Change Mitigation: The Case of Agricultural Productivity

Rodrigo Garcia-Verdu, Alexis Meyer-Cirkel, Akira Sasahara, Hans Weisfeld

Review of International Economics, 30(1) 34-56, Feb 1, 2022 Peer-reviewed
Gains from Trade and the Sovereign Bond Market

Ayumu Ken Kikkawa, Akira Sasahara

European Economic Review, 124, May, 2020 Peer-reviewed
Explaining the Employment Effect of Exports: Value-Added Content Matters

Akira Sasahara

Journal of the Japanese and International Economies, 52 1-12, Jun, 2019 Peer-reviewedInvited
The China Shock in Trade: Consequences for ASEAN and East Asia

Robert C. Feenstra, Akira Sasahara

World Trade Evolution: Growth, Productivity and Employment, 2019 Peer-reviewedInvited
The ‘China Shock’, Exports and U.S. Employment: A Global Input-Output Analysis

Robert C. Feenstra, Akira Sasahara

Review of International Economics, 26(5) 1053-1083, Sep, 2018 Peer-reviewedInvited
A Theory of Gains from Imported Inputs

Akira Sasahara

The International Economy, 16 37-57, 2013 Peer-reviewed

Misc.

A Disturbed Airport and Diverted Exports: Evidence from Typhoon Jebi

Toshihiro Okubo, Akira Sasahara

Keio-IES Discussion Paper Series DP2025-014, Jul 11, 2025
Trade Continuity Effects of the Flexible Customs Declaration Scheme: Evidence from Two Typhoons

Akira Sasahara, Fumiharu Ito, Shintaro Negishi, Takanori Otsuka, Kayo Takama

Keio-IES Discussion Paper Series DP2025-013, Jul 2, 2025
Firms’ Trading Behavior in the Global Economy: Evidence from Japanese Transaction-level Customs Data

Naoto Jinji, Keiko Ito, Masahiro Endoh, Toshihiro Okubo, Akira Sasahara, Toshiyuki Matsuura

Financial Review, 令和7年第2号(通巻第160号) 5-36, Jun 30, 2025
The ‘Flexible Declaration Scheme’ of Japan Customs: Prevalence, Determinants, and Consequences

Shintaro Negishi, Akira Sasahara, Takanori Otsuka, Fumiharu Ito

Financial Review, 令和7年第2号(通巻第160号) 64-91, Jun 30, 2025
The US-China Trade War and the Global Economy: Lessons from the Past and Future Prospects

Akira Sasahara

Monthly Journal: Statistics, Apr 1, 2025 Invited
Gender-specific Exposure to Trade, Labor Market Adjustments, and the Family

Hiroaki Mori, Kiho Muroga, Akira Sasahara

RIETI Discussion Paper Series 25-E-031, Mar 1, 2025
Geopolitical Risk and Corporate Behaviors: Propagation of Shocks through Global Operations

Huu Nhan Duong, Jota Ishikawa, Katsumasa Nishide, S. Ghon Rhee, Akira Sasahara

RIETI Discussion Paper Series 25-E-029, Mar 1, 2025
Understanding Modern Society Through the Lens of Economists: The Effects of an Influx of Foreign Workers on Japanese Labor Markets

Akira Sasahara

Weekly Toyo Keizai, 2025.02.01, Feb 1, 2025 Invited
Book Review on Import Shocks and the Japanese Economy by Masahiro Endoh, Keio University Press

Akira Sasahara

Kokusai Keizai (A Journal of the Japan Society of International Economics), 76, Sep 4, 2024 Invited
A Tale of Two Countries: Global Value Chains, the China Trade Shock, and Labor Markets

Jaerim Choi, Masahiro Endoh, Akira Sasahara

Keio-IES Discussion Paper Series DP2024-012, May 9, 2024
An Empirical Investigation on International Trade Using Japan’s Customs Data

Keiko Ito, Masahiro Endoh, Toshihiro Okubo, Akira Sasahara, Naoto Jinji, Toshiyuki Matsuura

PRI Discussion Paper Series No.23A-02, Sep 14, 2023
Immigration, Imports, and (Im)mutable Japanese Labor Markets

Akira Sasahara, Yumin Sui, Emily Taguchi

Keio-IES Discussion Paper Series DP2023-002, Feb, 2023
A Long-run Transition of Japan's Inter-regional Value Chains

Toshihiro Okubo, Akira Sasahara

RIETI Discussion Paper Series 22-E-067, Jul, 2022
The Empirics of the China Trade Shock: A Summary of Estimation Methods and A Literature Review

Akira Sasahara

Keio-IES Discussion Paper Series DP2022-008, May 25, 2022
How International Trade Affects Employment and Inequality

Akira Sasahara

Keizai Seminar (Economics Seminar) October/November Issue, Oct 1, 2021 Invited
The Effects of Trade on the Gender Gaps: A Model-based Quantitative Investigation

Akira Sasahara, Hiroaki Mori

RIETI Discussion Paper Series 21-E-076, Sep, 2021
Sovereign Debt Restructurings: Survey on Concepts, Trends, Empirics, Theory and Policies

Tamon Asonuma, Hyungseok Joo, Akira Sasahara

Financial Review (The Ministry of Finance Japan), 146(3) 41-57, Jun 28, 2021 Invited
Estimating Gains from Trade: A Summary of Recent Studies

Akira Sasahara

Mita Journal of Economics, 113(4) 103-114, Jan 31, 2021 Peer-reviewed
The Labor Market Effects of Immigration: An Overview of the Empirical Literature

Akira Sasahara

The Japanese Journal of Labour Studies, 716 148-158, Feb, 2020 Peer-reviewed
Sovereign Debt Restructurings: An Overview of the Empirical Literature

Tamon Asonuma, Aitor Erce, Akira Sasahara

The Journal of Investing, 27(3) 56-64, Aug, 2018 Invited

Presentations

Trade Continuity Effects of the Flexible Customs Declaration Scheme: Evidence from Two Typhoons

Akira Sasahara

The 84th Annual Meeting of The Japan Society of International Economics, Oct 5, 2025, Japan Society of International Economics
Gender-specific Exposure to Trade, Labor Market Adjustments, and the Family

Akira Sasahara

Seminar, Sep 18, 2025, Musashi University
Geopolitical Risk and Corporate Behaviors: Propagation of Shocks through Global Operations

Akira Sasahara

Summer Workshop on Economic Theory, Aug 5, 2025, Otaru University of Commerce
Gender-specific Exposure to Trade, Labor Market Adjustments, and the Family

Akira Sasahara

Asia Pacific Trade Seminars, Jun 28, 2025
Geopolitical Risk and Corporate Behaviors: Propagation of Shocks through Global Operations

Akira Sasahara

The 14th Spring Meeting of The Japan Society of International Economics, Jun 14, 2025, Japan Society of International Economics
Gender-specific Exposure to Trade, Labor Market Adjustments, and the Family

Akira Sasahara

Tokyo Labor Economics Workshop, Jun 13, 2025, University of Tokyo
Gender-specific Exposure to Trade, Labor Market Adjustments, and the Family

Akira Sasahara

Seminar in Macroeconomics, Jun 3, 2025, Institute of Economic Research, Hitotsubashi University
Gender-specific Exposure to Trade, Labor Market Adjustments, and the Family

Akira Sasahara

The 2025 Spring Meeting of the Japanese Economic Association, May 25, 2025, The Japanese Economic Association
Immigration and Human Capital Adjustments: Evidence from the 1990 Amendment to Japan’s Immigration Act

Akira Sasahara

The 2nd International SPACE Workshop, May 11, 2025, Shanghai Jiao Tong University Invited
Geopolitical Risk and Corporate Behaviors: Propagation of Shocks through Global Operations

Akira Sasahara

China-Japan Workshop on International Economics, Apr 12, 2025, Shanghai University of International Business and Economics Invited
The Impact of a Natural Disaster on International Trade: A Natural Experiment from Typhoon Jebi Hitting an Airport

Akira Sasahara

The 83th Annual Meeting of the Japan Society of International Economics, Oct 6, 2024, Japan Society of International Economics
Immigration, Trade with China, and Labor Market Outcomes: Evidence from Japan

Akira Sasahara

Ajiken Power Lunch Seminar, Sep 5, 2024, The Institute of Developing Economies
Immigration, Trade with China, and Labor Market Outcomes: Evidence from Japan

Akira Sasahara

International Economics Workshop, Aug 21, 2024, Kagawa University
Global Value Chains, Domestic Value Chains, and Comparative Advantage

Akira Sasahara

International Trade and Foreign Direct Investment Workshop, Aug 5, 2024, Kushiro Public University of Economics
Global Value Chains, Domestic Value Chains, and Comparative Advantage

Akira Sasahara

SIPEC IE SEMINAR, Jun 19, 2024, School of International Politics, Economics and Communication, Aoyama Gakuin University
The China Shock and Supply Chains: When Rising Imports Raise Exports

Akira Sasahara

The 37th Annual Meeting of the Applied Regional Science Conference, Dec 9, 2023, The Applied Regional Science Conference
The China Shock and Supply Chains: When Rising Imports Raise Exports

Akira Sasahara

Yonsei Economics Research Institute Seminar, Nov 23, 2023
The China Shock and Supply Chains: When Rising Imports Raise Exports

Akira Sasahara

Midwest International Trade and Theory Conference, Nov 10, 2023
The China Shock and Supply Chains: When Rising Imports Raise Exports

Akira Sasahara

The 82th Annual Meeting of the Japan Society of International Economics, Oct 14, 2023, Japan Society of International Economics
The China Shock and Supply Chains: When Rising Imports Raise Exports

Akira Sasahara

Seminar on International Economics, Oct 13, 2023, Faculty of International Social Sciences, Gakushuin University

Teaching Experience

Apr, 2025 - Mar, 2026

TOPICS IN INTERNATIONAL ECONOMICS (Keio University)
Apr, 2025 - Mar, 2026

SEMINAR: INTERNATIONAL ECONOMICS (Keio University)
Apr, 2025 - Mar, 2026

RESEARCH SEMINAR D (Keio University)
Apr, 2025 - Mar, 2026

RESEARCH SEMINAR C (Keio University)
Apr, 2025 - Mar, 2026

RESEARCH SEMINAR B (Keio University)
Apr, 2025 - Mar, 2026

RESEARCH SEMINAR A (Keio University)
Apr, 2025 - Mar, 2026

RESEARCH SEMINAR (THESIS) (Keio University)
Apr, 2025 - Mar, 2026

INTERNATIONAL TRADE B (Keio University)
Apr, 2025 - Mar, 2026

INTERNATIONAL TRADE A (Keio University)
Apr, 2025 - Mar, 2026

INTERNATIONAL TRADE (Keio University)
Apr, 2025 - Mar, 2026

INDEPENDENT RESEARCH PROJECT C (Keio University)
Apr, 2025 - Mar, 2026

ECONOMIES AND SOCIETIES IN GLOBALIZATION (Keio University)
Apr, 2024 - Mar, 2025

TOPICS IN INTERNATIONAL ECONOMICS (Keio University)
Apr, 2024 - Mar, 2025

SEMINAR: INTERNATIONAL ECONOMICS (Keio University)
Apr, 2024 - Mar, 2025

RESEARCH SEMINAR D (Keio University)
Apr, 2024 - Mar, 2025

RESEARCH SEMINAR C (Keio University)
Apr, 2024 - Mar, 2025

RESEARCH SEMINAR B (Keio University)
Apr, 2024 - Mar, 2025

RESEARCH SEMINAR A (Keio University)
Apr, 2024 - Mar, 2025

RESEARCH SEMINAR (THESIS) (Keio University)
Apr, 2024 - Mar, 2025

INTERNATIONAL TRADE B (Keio University)

Professional Memberships

Aug, 2021 - Present

International Economics and Finance Society (IEFS) Japan
May, 2021 - Present

TCER Fellow (Tokyo Center for Economic Research)
Oct, 2020 - Present

Applied Regional Science Conference
Nov, 2018 - Present

Urban Economics Association
Mar, 2017 - Present

Western Economic Association International
Nov, 2016 - Present

American Economic Association
Apr, 2011 - Present

Japanese Economic Association
Apr, 2011 - Present

Japan Society of International Economics

Works

28

Keio University Correspondence Courses Thesis Guideline (in Japanese)

Akira Sasahara

Sep 1, 2022 - Present Educational material

Research Projects

Globalization, Climate Change, and Regional Economies: Interactions and Propagation of the Shock

KAKENHI, Grant-in-Aid for Early-Career Scientists, Japan Society for the Promotion of Science, Apr, 2024 - Mar, 2027

Akira Sasahara
Theoretical and Empirical Studies on the International Specialization in Japan and East Asia in the Era of Covid-19 and Beyond

KAKENHI, Grand-in-Aid for Scientific Research (A), Grant-in-Aid for Scientific Research (A), Japan Society for the Promotion of Science, Apr, 2022 - Mar, 2026

Fukunari Kimura, Kozo Kiyota, Toshiyuki Matsuura, Hisamitsu Saito, Kiyoyasu Tanaka, Kazunobu Hayakawa, Tadashi Ito, Toshihiro Okubo, Akira Sasahara
労働市場への国際ショックの影響：国際経済のマクロ視点と個票データのミクロ視点から

科学研究費助成事業, 基盤研究(B), 日本学術振興会, Apr, 2021 - Mar, 2025

遠藤正寛, 大久保敏弘, 風神佐知子, 笹原彰
The Impact of Global Shocks on Labor Markets: From Micro and Macro Perspectives

KAKENHI, Grand-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2025

Masahiro Endoh, Toshihiro Okubo, Sachiko Kazekami, Akira Sasahara
Research on Globalization, Income, and Global Value Chains

KAKENHI, Grant-in-Aid for Young Scientists, Grant-in-Aid for Early-Career Scientists, Japan Society for the Promotion of Science, Apr, 2021 - Mar, 2024

Akira Sasahara

Academic Activities

Interviewed in Ministry of Finance Japan PR Magazine Finance

Other

Ministry of Finance Japan, Mar, 2023 - Mar, 2023

Social Activities

Served as a referee for academic journals

Other

Aug, 2015 - Present
Project Member, Globalization and Regional Economies

Investigator

Research Institute of Economy, Trade and Industry (RIETI), Aug, 2023 - Jan, 2026
Project Member, Economic Policy Issues in the Global Economy

Investigator

Research Institute of Economy, Trade and Industry (RIETI), Feb, 2023 - Jul, 2025
Visiting Researcher, Joint Project on Japan's Customs Data

Investigator

Policy Research Institute, Ministry of Finance Japan, Apr, 2022 - Mar, 2024
Lecturer, International Microeconomics, Training on Finance and Economics

Lecturer

Policy Research Institute, Ministry of Finance Japan, May, 2023 - May, 2023
Lecturer, International Microeconomics, Training on Finance and Economics

Lecturer

Policy Research Institute, Ministry of Finance Japan, May, 2022 - Jun, 2022
Project Member, Economic Policy Issues in the Global Economy

Investigator

Research Institute of Economy, Trade and Industry (RIETI), Apr, 2020 - Apr, 2022
Lecturer, International Microeconomics, Training on Finance and Economics

Lecturer

Policy Research Institute, Ministry of Finance Japan, May, 2021 - Jun, 2021

Profile Information

Research Areas

Research History

Education

Committee Memberships

Awards

Papers

Misc.

Presentations

Teaching Experience

Professional Memberships

Works

Research Projects

Academic Activities

Social Activities

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