You and your college roommate eat three packages of Ramen noodles each week. After graduation last month, both of you were hired at several times your college income. You still enjoy Ramen noodles very much and buy even more, but your roommate plans to buy fewer Ramen noodles in favor of foods she prefers more. When looking at income elasticity of demand for Ramen noodles,
a. yours would be negative and your roommate's would be positive.
b. yours would be positive and your roommate's would be negative.
c. yours would be zero and your roommate's would approach infinity.
d. yours would approach infinity and your roommate's would be zero.
B
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If the price of propane-fueled gas grills was to decrease, then
A) the quantity of propane demanded would decrease. B) the demand for propane would increase. C) the quantity of propane demanded would increase. D) the demand for propane would decrease.
Which of the following is true under monopoly?
a. Price is equal to marginal revenue. b. Price is equal to marginal cost. c. Price is less than marginal revenue. d. Price is less than marginal cost. e. Price is greater than marginal revenue.
The marginal benefit of additional information:
A. is independent of the amount of information that has already been acquired. B. rises as more information is collected. C. falls as more information is collected. D. tends to be lower for expensive items than inexpensive items.
Refer to Table 7.1, which shows the relationship between the price that Gladys charges for a product and the quantity of that product that Gladys sells. The marginal revenue that Gladys receives from selling the fourth unit of output is:
A. $3. B. $6. C. $10. D. $24.