ResearchResearch Activities

IOG conducts research across five key themes: China, Europe and the United States, economic security, international security order, and emerging technologies. These activities are summarized through essays written by IOG researchers, offering in-depth analysis and insights on these critical areas.
Security
Exporting Frigates to Australia (Part I: Why Japan Won the Bid)

Will the only way to distinguish between Australian and Japanese frigates soon be the red kangaroo emblem painted behind the bridg

Research Fellow

Rintaro Inoue

Economic Security
The Logic Behind Legally Risky Tariffs

IOG Economic Intelligence Report (Vol. 4 No. 18)

Visiting Research Fellow

Paul Nadeau

Diplomacy
Why Trump-Inspired Nationalists in Europe Can’t Stick Together

Across Europe, right-wing leaders are borrowing from Donald Trump’s playbook, with slogans like “Poland First,” “Make Romania Grea

Research Fellow

Yusuke Ishikawa

Economic Security
Tariffs, Inflation, and Growth: The US Economy in Uncharted Waters

IOG Economic Intelligence Report (Vol. 4 No. 17)

Visiting Research Fellow

Andrew Capistrano

Economic Security
From Threats to Substance: Decoding India-US Relations

Recent developments in Indo-US relations, marked by public threats of steep unilateral tariffs, have introduced a rare geopolitica

Visiting Research Fellow

Manish Sharma

Security
Beyond a Zero-Sum Approach to U.S.-Japan Defense Burden Sharing

The Trump administration’s policy of pressing U.S. allies to shoulder more of the defense burden has fueled fears of “abandonment”

Senior Research Fellow

Hirohito Ogi

Emerging Technology
Japan’s Space Domain Defense Guidelines: Background, Key Features, and Policy Implications

On July 28, 2025, Japan's Ministry of Defense announced the "Space Domain Defense Guidelines" (hereinafter referred to as "the Gui

Senior Research Fellow

Kota Umeda

Emerging Technology
Will Trump’s tech policies propel U.S. success against China?

Technology is the key to the confrontation between the United States and China, and the ability to innovate lies at the heart of t

Visiting Research Fellow

Mariko Togashi

Economic Security
The “Reciprocal” Tariffs Are Now in Effect – But for How Long?

IOG Economic Intelligence Report (Vol. 4 No. 16) Updated: August 8, 2025

Visiting Research Fellow

Paul Nadeau

Diplomacy
The rift between Trump and the EU: can Italy’s Meloni become a bridge-builder?

Once the result of last year’s American election became clear, countries around the world started wondering how to deal with a sec

Research Assistant

Gabriele Maletta

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