[KongchangAI]
Unverified60% confidenceFactExact time

1979-2020年间,美国生产率累计提升约61.8%,但典型工人实际薪酬仅增长约17.5%

2
Sources
60%
Confidence
Long-term
Relevance
7/16/2026
First Seen

Sources

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MCP
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