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Unraveling Human Capital Complexity: Economic Complexity Analysis of Occupations and Skills
Soohyoung Lee, Dawoon Jeong, Jeong-Dong Lee
https://arxiv.org/abs/2506.12960

Unraveling Human Capital Complexity: Economic Complexity Analysis of Occupations and Skills
This study investigates the structural embeddedness of skills in the division of labor. Drawing on O*NET data covering 120 skills across 872 U.S. occupations, we identify three skill communities: general, cognitive, and physical skills. Compressing the connectivity in the occupation-skill network through the Method of Reflection, we derive the Occupational Complexity Index (OCI) and the Skill Complexity Index (SCI). They unpack the structure of the occupation skill network that general skills a…