In general, people who hare more productive earn higher incomes and thus pay higher taxes.

In general, people who hare more productive earn higher incomes and thus pay higher taxes.  How would a change in the immigration laws that favored more highly educated and skilled individuals affect the future tax burden of today's American college students?  Would the admission of better-educated immigrants tend to raise or lower the wages of American college graduates?  On balance, would an overhaul of the immigration system benefit or harm today's college students?