Jeannie's marginal utility from her 4th book in a month is 50. Her marginal utility from her 5th book
A) is greater than 50.
B) equals 50.
C) is less than 50.
D) might be more than, less than, or equal to 50 but more information is needed.
C
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According to economists, if policymakers are serious about reducing fuel consumption, they need to implement policies that make drivers think carefully about the costs and benefits of every mile driven, and the best way to accomplish this is by
A) increasing the gasoline tax. B) raising mandatory fuel economy standards. C) converting all roads to toll roads. D) limiting the number of miles per year that each driver is allowed to drive.
Corrina was working as a waitress in an Italian restaurant making an annual income of $25,000 per year when she decided to start up her own catering business. Corrina used $10,000 of her savings that was earning 5 percent annual interest to establish her business. After the first year she made an accounting profit of $20,000. Her economic profit was
A. -$5,000. B. $20,000. C. -$5,500. D. $25,000.