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Masahiro Matsumura

Masahiro Matsumura

The Japan Times

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The ICC’s reality check in a multipolar world

The ICC’s reality check in a multipolar world

The Trump administration’s recent imposition of economic sanctions against Tomoko Akane, president of the International Criminal Court (ICC), marks...

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The Japan Times

Masahiro Matsumura

Trump’s 'Gangster Diplomacy': The Political Economy of US-Japan Tariffs

*Originally published in 2025 and preserved as part of our archive project.Get E-International Relations delivered directly to your inbox, free of...

04.08.2026 80

E-International

Masahiro Matsumura

Don’t become a casualty in Beijing’s ‘history war’

At the recent Shangri-La Dialogue, Defense Minister Shinjiro Koizumi delivered a blunt rebuttal to Meng Xiangqing, a professor at China’s PLA...

17.07.2026 100

The Japan Times

Masahiro Matsumura

Trump’s ‘Gangster Diplomacy’: The Political Economy of US-Japan Tariffs

Trump’s use of tariffs is framed as ideological warfare against globalism, making Japan – a liberal internationalist stronghold – a prime target.

10.08.2025 100

E-International

Masahiro Matsumura

US Bombing of Iran and the Transition to a New International Legal Order

The choices made in response to the US action against Iran will determine whether power, not law, will define the contours of world politics in the...

18.07.2025 60

E-International

Masahiro Matsumura