Gavin G. Cook
Department of Sociology
Princeton, NJ 08544
Institutional Affiliation: Princeton University
NBER Working Papers and Publications
|May 2018||Job Vacancies and Immigration: Evidence from Pre- and Post-Mariel Miami|
with Jason Anastasopoulos, George J. Borjas, Michael Lachanski: w24580
How does immigration affect labor market opportunities in a receiving country? This paper contributes to the voluminous literature by reporting findings from a new (but very old) data set. 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 begins by revisiting the Mariel episode. The data reveal a marked decrease in Miami’s HWI relative to many alternative control groups in the first 4 or 5 years after Mariel, followed by recovery afterwards. We find a similar initial decline in the number of job vacancies after two other su...