When two variables have a negative correlation and the x-variable decreases,
a. the y-variable increases.
b. the y-variable decreases.
c. the y-variable stays the same.
d. the x-variable can never be positive.
a
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Your classmates from the University of Chicago are planning to go to Miami for spring break, and you are undecided about whether you should go with them. The round-trip airfares are $600, but you have a frequent-flyer coupon worth $500 that you could use to pay part of the airfare. All other costs for the vacation are exactly $900. The most you would be willing to pay for the trip is $1400. Your only alternative use for your frequent-flyer coupon is for your trip to Atlanta two weeks after the break to attend your sister's graduation, which your parents are forcing you to attend. The Chicago-Atlanta round-trip airfares are $450. Should you use the frequent flyer coupon to go to Miami?
A. Yes, your benefit is equal to your cost. B. Yes, your benefit is more than your cost. C. No, your benefit is less than your cost. D. No, because there are no benefits in the trip.
Hurricane Katrina destroyed oil and natural gas refining capacity in the Gulf of Mexico in 2005. This drove up the prices of natural gas, gasoline, and heating oil. This is an example of a
A) supply shock. B) demand shock. C) negative externality. D) depression.
Which of the following is not a determinant of Investment spending?
A. Real income B. Interest rates C. Taxes D. Expected profitability
Angela is currently playing five games of pool and bowling three games. At this level of consumption, her marginal utility from a game of pool is 10 and her marginal utility from bowling a game is 6. If both pool and bowling cost $1 a game, Angela should:
A. bowl more and play pool less. B. bowl less and play pool more. C. just go home. D. bowl only.