Labor skill measure in Belo, Li, Lin, and Zhao (2017): "Labor-Force Heterogeneity and Asset Prices: the Importance of Skilled Labor": The Review of Financial Studies 30 (10), 3669-3709

Skill of an industry is defined as the percentage of workers that work on occupations that require a high level of training and preparation (i.e., occupations with Specific Vocational Preparation (SVP)>=7).

Industry (Ind) is defined by their three-digit SIC codes before and including year 2001, and four-digit NAICS codes after 2001.

The SVP data is from the Dictionary of Occupationsl Titles: Revisited Fourth Edition, 1991 from the Department of Labor. They are obtained from the Inter-university Consortium for Political and Social Research (ICPSR) (study no. 6100 (v.1); DOI:10.3886).

The data on the distribution of workers by occupation within an industry are from the Bureau of Labor Statistics (BLS), Occupational Employment Statistics (OES) program.

More details on the variable construction can be found in Belo, Li, Lin, and Zhao (2017).

Please cite Belo, Li, Lin, and Zhao (2017) the when referring to this data.