If energy use per capita in developed countries had leveled off while GDP per capita had risen, then it must mean that:
A. Energy efficiency had risen
B. Energy efficiency had fallen
C. The energy-use-to-GDP ratio had risen
D. The GDP-to-energy-use ratio had fallen
A. Energy efficiency had risen
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The saving function is
A) cY. B) Y - T. C) (1 - c)(Y - T). D) -a + (1 - c)(Y - T).
Which of the following would be likely to raise your opportunity cost of attending a big basketball game this Sunday night? a. A friend calls you up and offers you free tickets to a concert by one of your favorite bands on Sunday night. b. Your employer offered you double your usual wage to work this Sunday night
c. Late Friday afternoon, your physics professor makes a surprise announcement that there will be a major exam on Monday morning. d. All of the above would likely raise the opportunity cost of attending the game.