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Sayaka Ohshima

Sayaka Ohshima

The Diplomat

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From Pacifism to Pillar Two: How Japan’s Tax Overhaul Reflects National Priorities

From defense spending to demographic decline, Japan’s tax reform attempts to address pressing national issues.

29.05.2025 30

The Diplomat

Sayaka Ohshima

California Just Overtook Japan’s Economy: A Wake-up Call for Japanese Policymakers

The symbolic moment of California surpassing Japan in economic size reflects deeper structural stagnation.

20.05.2025 9

The Diplomat

Sayaka Ohshima

How Japan’s $1.1 Trillion in US Treasuries Became a Strategic Lever in the New Tariff War

The country's large holding of U.S. debt has long been framed as a win-win. It now has the potential to serve as a diplomatic trump.

07.05.2025 9

The Diplomat

Sayaka Ohshima