Economist George Borjas Has Estimated the Net Benefits (+) or Costs

Multiple Choice

Economist George Borjas has estimated the net benefits (+) or costs (-) to the United States from labor immigration to be approximately:

A) +10% of GDP.
B) -5% of GDP.
C) +0.1% to 0.4% of GDP.
D) 0.5% capital losses and 0.8% labor gains.