Walls Work

A Border Patrol agent at the U.S.-Mexican border in Nogales, Ariz., January 2017. (Lucy Nicholson/Reuters)
A new study finds that fencing along the southern border has deterred illegal immigration.

NRPLUS MEMBER ARTICLE W e have a problem with people crossing the southern border on foot without authorization. But who could have guessed that putting a wall in their way would stop them?

Well, pretty much every immigration restrictionist. But a new study from American Economic Journal: Applied Economics finds that, indeed, border fencing reduces illegal immigration.

The effects are not small. “Construction in a [Mexican] municipality reduces migration by 27 percent for municipality residents and 15 percent for residents of adjacent municipalities”; it also reduces migration from municipalities that are farther away but historically have relied on the fenced area as a crossing point. Border-wall

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