Based on your understanding of your roommate's preferences, you predict that he will select the spaghetti for his lunch at the cafeteria, but instead he chooses the gyros. How do you describe this event in terms of economic theory?
A) Your roommate is irrational.
B) Your roommate does not know what is in his own best interests.
C) You roommate does not know his own preferences as well as you do.
D) You constructed a model that made a prediction, and the prediction was refuted.
Answer: D
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The self-correcting tendency of the economy means that falling inflation eventually eliminates:
A. exogenous spending. B. recessionary gaps. C. expansionary gaps. D. unemployment.
Scientists have said for years cod was so seriously overfished in European Union waters that there was a risk of extinction due to stock collapse
"To ensure this recovery… Ministers agreed a 10 percent cut in days at sea (for North Sea cod)," EU Fisheries Commissioner Joe Borg stated in 2008. What is the goal of this policy? A) To reduce the number of fishing days to the point where marginal cost per day equals marginal benefit B) To reduce the number of fishing days to the point where marginal social cost per day equals marginal benefit C) To reduce the number of fishing days to the point where marginal social benefit per day equals marginal benefit D) To reduce the number of fishing days to the point where marginal social cost per day equals marginal social benefit
Suppose that the labor market for life guards is initially in equilibrium. Then a new television series debuts which glamorizes the social opportunities for life guards. What happens to the equilibrium wage and quantity of life guards?
a. Both the equilibrium wage and quantity increase. b. Both the equilibrium wage and quantity decrease. c. The equilibrium wage increases, and the equilibrium quantity decreases. d. The equilibrium wage decreases, and the equilibrium quantity increases.
If the marginal propensity to consume = 0.75, then:
A. the marginal propensity to save = 0.75. B. the marginal propensity to save = 0.25 C. the marginal propensity to save = 0.20. D. since the marginal propensity to save and the marginal propensity to consume are unrelated, we cannot determine the marginal propensity to save from the information given.