The Future Costs of Today's Cheap Labor

My latest column for CNN.com looks at the harmful effects of unrestrained illegal immigration: a future work force that is less skilled, less literate and worse paid than workers of today.

My latest column for CNN.com looks at the harmful effects of unrestrained illegal immigration: a future American work force that is less skilled, less literate and worse paid than workers of today.

Many Americans carry in their minds a family memory of upward mobility, from great-grandpa stepping off the boat at Ellis Island to a present generation of professionals and technology workers. This story no longer holds true for the largest single U.S. immigrant group, Mexican-Americans.

Stephen Trejo and Jeffrey Groger studied the intergenerational progress of Mexican-American immigrants in their scholarly work, "Falling Behind or Moving Up?"

They discovered that third-generation Mexican-Americans were no more likely to finish high school than second-generation Mexican-Americans. Fourth-generation Mexican-Americans did no better than third.

If these results continue to hold, the low skills of yesterday's illegal immigrant will negatively shape the U.S. work force into the 22nd century.

The failure to enforce the immigration laws in the 1990s and 2000s means that the U.S. today has more poorly skilled workers, more poverty and more workers without health insurance than it would have generated by itself.

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