国际货币基金组织：人工智能带来的总体收益及其分配：基于使用数据的全球证据（英文版）

: How large is the labor cost saved by AI, and how is it distributed across occupations? Using five waves of the Anthropic Economic Index (January 2025 to February 2026), we construct two novel measures from observed AI usage across countries over the world. The AI concentration index (ACI) shows that in developing economies, virtually all AI usage-based value is generated in a small professional enclave (ACI near 1.0); high-income economies average 0.4 to 0.5, with concentration declinin