The answer is no. A new study reports what many, including the Federal Reserve of Dallas, have been saying all along. If you like academic papers, you can read the whole thing here. Bottom line:
Using our estimates and Census data we find that immigration (1990-2006) had small negative effects in the short run on native workers with no high school degree (-0.7%) and on average wages (-0.4%) while it had small positive effects on native workers with no high school degree (+0.3%) and on average native wages (+0.6%) in the long run.
