NBER

Gavin G. Cook

Department of Sociology
Princeton University
Princeton, NJ 08544

E-Mail: EmailAddress: hidden: you can email any NBER-related person as first underscore last at nber dot org
Institutional Affiliation: Princeton University

NBER Working Papers and Publications

May 2018Job Vacancies, the Beveridge Curve, and Supply Shocks: The Frequency and Content of Help-Wanted Ads in Pre- and Post-Mariel Miami
with Jason Anastasopoulos, George J. Borjas, Michael Lachanski: w24580
Beginning in 1951, the Conference Board constructed a monthly job vacancy index by counting the number of help-wanted ads published in local newspapers in 51 metropolitan areas. We use the Help-Wanted Index (HWI) to document how immigration changes the number of job vacancies in the affected labor markets. Our analysis revisits the Mariel episode. The data reveal a marked drop in Miami’s HWI relative to many alternative control groups in the first 4 or 5 years after Mariel, followed by recovery afterwards. The Miami evidence is consistent with the observed relation between immigration and the HWI across all metropolitan areas in the 1970-2000 period: these spatial correlations suggest that more immigration reduces the number of job vacancies. We also explore some of the macro implications ...

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