Labor, land, and the global dynamics of economic inequality.

Proc Natl Acad Sci U S A · 2025 · PMC12037039 · PMID 40228116

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a clear trendno p-value reported

There is a clear trend from labor-limited economies in site hierarchies with 1 to 2 levels, to land-limited economies in site hierarchies with >2 levels ( Fig. 4 A ).

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