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Sayaka Ohshima

Sayaka Ohshima

The Diplomat

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A Summer of Reckoning for Japan’s Economy 

Aside from the question of growth, the question is whether policymakers can reorient the country’s future trajectory before serious problems set in.

25.07.2025 10

The Diplomat

Sayaka Ohshima

Trust Deficit: Japan’s Corporate Scandals and the Case for Independent Financial Oversight

Japan’s reluctance to empower third-party oversight in its corporations is no longer just a domestic risk but an international one.

19.06.2025 10

The Diplomat

Sayaka Ohshima

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