Middle Powers and the Limits of Collective Agency in Artificial Intelligence ...

A reminder letter more than tripled the base treatment effect, rivalling the pull of a full percentage-point rate cut in ...

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Figure 5. The U.S.

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Figure 4. China’s notable model output expanded during 2023–2025, while the US remained ahead.

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Figure 3. Less than a sixth of this budget funds nuclear modernization itself; the rest buys aircraft, ships, and missile ...

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Figure 8.