But if net immigration to the U.S. stays in the red, the primary long-term effects would be fiscal in nature, as a shrinking workforce will do no favors for the country’s national debt. The Deloitte researchers wrote that immigration tends to have a “positive effect on the federal deficit, allowing revenue to rise faster than expenditure.”
SpaceX has not responded to emailed requests from BBC News for comment. The researchers also sent their findings to the company but did not receive a response.
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