Cataloging Growth: A Re-Evaluation of 1900–1990

Short summary

MIT researchers constructed a new quality-adjusted price index for US consumer goods using 5.1 million product listings spanning 1900–1990, addressing the long-standing challenge of separating real GDP growth from quality and composition changes. The post is a brief pointer to the full academic paper with no substantive discussion.

• •New quality-adjusted price index for US consumer goods 1900–1990
• •Built from 5.1 million product listings
• •Brief pointer to academic paper, no AI relevance

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