Which of the following is an endogenous variable in the Three-Sector-Model?
a. Oil prices
b. Wars
c. Tax rate increases by the government
d. A change from flexible to fixed exchange rates
e. Domestic quantity of real credit per time period
.E
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You rent a DVD of The Dark Knight Rises. The rental is for seven days and you watch the movie on the first day. You tell a friend about the film and your friend asks to come over and watch the movie with you before it is due back
What is your opportunity cost if you decide to watch the movie a second time instead of going to a football game? A) the entire cost of the movie rental, since you have already watched the movie B) one half the rental cost, because you have already watched the movie one time C) The answer depends on how much you liked the movie in the first place. D) the football game you forego by watching the movie again
If you decide to go to a movie on a Friday night rather than write a letter to your grandmother, you
A) are willing to deprive your grandmother of a letter simply in order to enjoy a movie. B) place more value on the movie than on your grandmother. C) would rather have fun than fulfill your responsibilities to your relatives. D) none of the above.
Changes in tax rates impact the economy through:
A. Both aggregate demand and aggregate supply. B. Aggregate supply. C. Aggregate demand.
Suppose you have $400 and the inflation rate is 4 percent. In order to earn a real return of $20 on your investment, the nominal interest rate must be
A) 1 percent. B) 5 percent. C) 9 percent. D) 12 percent.