[KongchangAI]
Unverified50% confidenceFactExact time

美国经济政策研究所(EPI)数据显示,1948-1979年间美国劳动生产率增长约108%,典型工人薪酬增长约93%

1
Sources
50%
Confidence
Long-term
Relevance
7/16/2026
First Seen

Sources

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