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Do Online Job Postings Capture Job Vacancies?

Author

Listed:
  • Michael Dalton
  • Lisa B. Kahn
  • Andreas I. Mueller

Abstract

We ask whether online job postings capture U.S. job vacancies, matching near-universal Burning Glass (BG) postings to the representative Job Openings and Labor Turnover Survey (JOLTS). BG converged toward JOLTS over 2007–2022, and its representativeness varies across establishment characteristics. We reweight BG to align postings with JOLTS openings along observables, and assess impacts on prior BG findings. Because large establishments account for most openings and are well represented, the level and cyclicality of skill demand survive our adjustment. But BG overstates labor market concentration (the Herfindahl-Hirschman Index) nearly threefold, because small and mid-sized establishments post less online.

Suggested Citation

  • Michael Dalton & Lisa B. Kahn & Andreas I. Mueller, 2026. "Do Online Job Postings Capture Job Vacancies?," NBER Working Papers 35697, National Bureau of Economic Research, Inc.
    • Handle: RePEc:nbr:nberwo:35697
    Note: ED EFG LS PE
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    More about this item

    JEL classification:

    • E24 - Macroeconomics and Monetary Economics - - Consumption, Saving, Production, Employment, and Investment - - - Employment; Unemployment; Wages; Intergenerational Income Distribution; Aggregate Human Capital; Aggregate Labor Productivity
    • E32 - Macroeconomics and Monetary Economics - - Prices, Business Fluctuations, and Cycles - - - Business Fluctuations; Cycles
    • J23 - Labor and Demographic Economics - - Demand and Supply of Labor - - - Labor Demand
    • J42 - Labor and Demographic Economics - - Particular Labor Markets - - - Monopsony; Segmented Labor Markets
    • J63 - Labor and Demographic Economics - - Mobility, Unemployment, Vacancies, and Immigrant Workers - - - Turnover; Vacancies; Layoffs

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