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Sponsored AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI AI AM CLAUDE, A Beginner's Guide: Learn the basics of working with AI

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Lee Crawfurd

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Aug 2026

The Returns to Education: A Comment

Clark and Nielsen (2026) assemble a large dataset of quasi‐experimental studies and argue that the causal return to an extra year of schooling is close to zero once one corrects for the selective publication of statistically significant findings. If correct, this would overturn a central pillar of human capital theory...

Lee Crawfurd · 0 citations

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