A monopolist's marginal revenue curve is
A) the same as a perfectly competitive firm's marginal revenue curve.
B) higher than the monopolist's demand curve.
C) below the firm's demand curve.
D) a horizontal line at the market price.
C
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If disposable income increases by $100 and saving increased by $25, ceteris paribus, we may conclude that
A) the marginal propensity to consume is 0.25. B) the marginal propensity to save is 0.25. C) $15 is autonomous consumption. D) a change in disposable income is induced by a change in consumption.
Which of the following best describes what will happen to equilibrium if large numbers of people cancel cable television subscriptions in exchange for subscriptions to on-demand movies and televisions providers like Netflix and Hulu?
a. A change in tastes away from cable television causes a leftward shift in the demand curve, a decrease in the equilibrium quantity, and an increase in the equilibrium price. b. A change in tastes away from cable television causes a rightward shift in the demand curve, a decrease in the equilibrium quantity, and a decrease in the equilibrium price. c. A change in tastes away from cable television causes a leftward shift in the demand curve, an increase in the equilibrium quantity, and a decrease in the equilibrium price. d. A change in tastes away from cable television causes a rightward shift in the demand curve, a decrease in the equilibrium quantity, and a decrease in the equilibrium price.
A consulting firm estimates the following quarterly sales forecasting model:Qt = a + bt +cDThe equation is estimated using quarterly data from 2005 I -2015 III (t = 1,..., 43). The variable D is a dummy variable for the second quarter where: D = 1 in the second quarter, and 0 otherwise. The results of the estimation are: 
Using the estimated trend line above, what is the predicted level of sales in 2016 I ?
A. 106.20 B. 102.2 C. 104.34 D. 110.06 E. none of the above
Suppose that the citizens of South Dakota decided to limit imports of citrus fruit from Florida and California on the grounds that climatic differences give those two states an unfair advantage in the production of those products. How would the analysis used to explain international trade apply?
What will be an ideal response?