Airlines that restrict members' ability to use frequent flyer miles during holiday periods likely do so because:
a. the opportunity cost to airlines of filling seats with frequent flyers is lower at these times.
b. the opportunity cost to airlines of filling seats with frequent flyers is higher at these times.
c. passengers have more transportation alternatives available to them at these times.
d. airlines want to protect their most loyal customers from the discomfort of overcrowded airplanes.
Question 2
Nominal GDP has risen faster than real GDP in the last decade because:
a. the price level has increased.
b. the price level has decreased.
c. the growth rate of productivity has accelerated.
d. the volume of foreign trade has expanded sharply.
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