The Trade Economy Index
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资源简介：
US skilled-trade economics for 13 commercial trades, with the source, independent-source count, and confidence tier attached to every figure: labor, market structure, unit economics, cash cycle, AI exposure, geography, and valuation. Aggregate only; no individual company is identified or identifiable, except public companies named with their tickers and cited to SEC filings.
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Zenodo创建时间：
2026-08-03
