Wikipedia says: The IRS estimates that http://en.wikipedia.org/wiki/Economic... impact of illegal workers Economic Impact of Illegal Aliens The IRS estimates that http://en.wikipedia.org/wiki/Economic_impact_of_il... http://en.wikipedia.org/wiki/Economic_i … ontributed Undocumented immigrants benefit this America. border states contested Economic impact of illegal immigrants in the United States You ought to watch the name calling. contested http://en.wikipedia.org/wiki/Economic_i … ted_States The IRS estimates that Wikipedia The IRS estimates that Economic impact of illegal immigrants in the United States https://en.wikipedia.org/wiki/Economic_ … ted_States The true economic impact of illegal immigration http://en.wikipedia.org/wiki/Economic_im...