From the Introduction: "The year 2020 brought with it a global pandemic. This forced governments around the world to implement measures to stop the spread of COVID-19 [coronavirus disease 2019], which is now responsible for several million deaths. To contain the virus, one of the major points of actionable policy implemented by many countries was to close their borders. The U.S.-Mexico border was one of them. However, the U.S.-Mexico border remained partially open, although by March 2020 restrictions on cross-border travel were imposed on all land crossings. Almost a year-and-a-half after the restrictions were implemented, and with increasing vaccination rates that provide near herd immunity in the border region, there is now talk of lifting them. This brief describes the border restrictions put in place by the U.S. and Mexico, questions their overall utility, recommends reopening the border fully, and offers policy recommendations on how to do it."
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