The Atlantic
www.theatlantic.com
- MAY
1, 2015
When
critics of immigration make their case, they often point to the labor market.
The argument goes something like this: An increase in the supply of workers
creates additional competition for jobs, and if immigrants are willing to
accept lower wages than American-born workers, then it's the American workers
who will suffer.
It’s true
that an inflow of new, able-bodied workers generally means an increase in the
labor supply, though immigration patterns affect industries differently. And
that can certainly have an impact on the wages of some workers. But there’s
another piece to this puzzle that is often overlooked—and that’s the increased
demand for services that comes along with a burgeoning population.
A new working paper investigates this other side of the
immigration equation. Researchers from Indiana University and the University of
Virginia modeled demand within a local economy, using decennial
census data and looking at the populations of metro areas. They specifically
focused on demand for the goods produced by "non-tradable industry,"
meaning those goods and services that must be sold or tendered
domestically by local workers, such as hospitality, teaching,
retail, and construction. (Tradable industry, by contrast, includes things such
as manufacturing, engineering, and other jobs that can be outsourced.) Part of
the rationale behind this separation for the purpose of the study is that
demand for tradable goods can be the result of forces outside of a local
economy, while demand for non-tradable goods are beholden to population shifts
within a specific location.
John
McLaren of UVA and Gihoon Hong of Indiana, coauthors of the study, found that
when looking specifically at non-tradable sectors, each new immigrant produced
about 1.2 new jobs, most of which went to native-born employees. Put more
simply—if 1,000 new immigrants were to move in, the local economy would end up
gaining about 1,200 new jobs. The researchers refer to this increased
demand effect as a “shot-in-the-arm” for the local economy. They also find that
while in some models an influx of immigrant workers will always lower wages for
those in tradable professions, it also can cause the wages for those in
non-tradable professions to see a wage increase, as demand for everyday goods
and services grow with the expanding population. There was also some evidence
that immigration might help provide greater diversity of such goods and
services.
Of course
there are some limitations to these findings when it comes to highlighting the
positives that a new population of immigrants can bring to a local economy. The
study does not wholly refute the idea that immigration can introduce additional
competition into the job market and create changes, sometimes negative ones, to
wages within local economies. The research also doesn't necessarily give a full
picture of what happens to jobs in the tradable sector. It does however bring
up a compelling point about the need for a thorough and holistic approach to
answering the question of how immigrants can impact the workforce and in what
ways the positive outcomes may mitigate, or even trump, existing negative
narratives.
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