data_ai_firm

The data contain a sample of 947,253 vacancies from HeadHunter database covering 2015-2021 period. Each row represents one vacancy. The columns descriptions are the following: firm - the firm identifier that published a vacancy; occupation - the first mentioned occupation code in a vacancy according to HeadHunter classification (https://api.hh.ru/specializations); year_mon - year and month of vacancy published date; columns from ai to data - binary variables (skill groups) indicating the inclusion of specified skills into a particular skill group (according to Deming, D., & Noray, K. (2020). Earnings dynamics, changing job skills, and STEM careers. The Quarterly Journal of Economics, 135(4),1965–2005); wage - monthly wage suggested in a vacancy (in Rubles); region - the integer indicator of a vacancy posting region (Russian community zone) according to HeadHuter platform; firm_size - firm size 5-level categorical variable indicating the number of workers: "micro", 1–15 workers; "small", 16–100 workers; "medium", 101–250 workers; "large", 251–1,000 workers; "huge", more than 1,000 workers; industry - firm industry code according to Russian Classification of Economic Activities (OKVED); firm_ai - the measure of the AI skills demand (calculated based on Alekseeva, L., Azar, J., Gine, M., Samila, S., & Taska, B. (2021). The demand for AI skills in the labor market. Labour Economics, 71, 102002).