Which Statement Is NOT Correct

Which statement is NOT correct?

A) When economists evaluate a public policy they tend to count the benefits and costs to all individuals equally regardless of where they live.
B) National governments usually weight the preferences of their citizens more heavily than they do the preferences of foreigners.
C) If the gains to foreigners are counted as much as the gains to nationals are counted, Mexican immigration into the United States will look especially beneficial.
D) Economists believe that if the United States is making decisions about its immigration policy, it should weight the benefits accruing solely to the U.S. citizens.