An externality can be a
A) cost or a benefit.
B) benefit but not a cost.
C) cost but not a benefit.
D) marginal cost but not a total cost.
Question 2
In the short-run, a rise in the money wage rate leads to
A) an increase in the price level and an increase in real GDP.
B) an increase in the price level and a decrease in real GDP.
C) an increase in the price level, but no change in real GDP.
D) no change in the price level, but an increase in real GDP.