Suppose that Polaroid instant cameras had a guarantee that would be valid only if the camera was used with Polaroid film. This would then be an example of:
A. a tie-in sale.
B. monopoly pricing.
C. price discrimination.
D. predatory pricing.
Answer: A
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If an economy experiences deflation, the real interest rate
A) will be greater than the nominal interest rate. B) will be equal to the deflation rate, so long as the nominal interest rate is positive. C) will be negative when the nominal interest rate is positive. D) will be less than the nominal interest rate.
If the marginal utilities of the first 4 candy bars consumed are 10, 12, 9, and 7, respectively, the total utility derived from consuming 3 candy bars is
a. 3 b. 9 c. 25 d. 31 e. Total utility cannot be derived from marginal utility. On the other hand, marginal utility can be derived from total utility.
International participants
A. Participate in both American factor markets and American product markets. B. Participate only in American product markets. C. Participate only in American factor markets. D. Take no part in American markets.
Which of the following will cause an inward shift of the investment function?
A. an increase in business taxes B. business people becoming optimistic about the future C. a decrease in the interest rate D. innovation that improves production efficiency at every level of output