Skill Requirements across Firms and Labor Markets: Evidence from Job Postings for Professionals

David Deming, Lisa B. Kahn

NBER Working Paper No. 23328
Issued in April 2017, Revised in May 2017

---- Acknowledgments ----

Previously circulated as "Firm Heterogeneity in Skill Demands." We are grateful to Edward Lazear, Kathryn Shaw, two anonymous referees and seminar participants at AEAs, NBER and the Trans Pacific Labor Seminar 2016. We are especially indebted to Brad Hershbein, Dan Restuccia, Jake Sherman, and Bledi Taska for help and provision of the Burning Glass data. This paper was previously circulated under the title "Firm Heterogeneity in Skill Demands". The views expressed herein are those of the authors and do not necessarily reflect the views of the National Bureau of Economic Research.

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