As a group, U.S. consumers have no income response for their consumption of ice cream so that the income elasticity of demand for ice cream equals zero
Does this mean that the change in ice cream consumption that results from a price increase is entirely composed of the substitution effect? A) Yes, the income effect associated with a price change is zero
B) No, any price change moves the point of consumption to a new indifference curve, so there must be a non-zero income effect
C) No, the income and substitution effects in this case move in opposite directions and completely offset one another, so it only appears that the income effect is zero
D) We need more information about the goods to answer this question
A
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Suppose the figure below shows the demand curve, marginal revenue curve and marginal cost curve for a monopolist. 
At this monopolist's profit-maximizing level of output, its total revenue equals the area:
A. 0FLE. B. ELJB. C. 0HNC. D. 0FJB.
Less of the federal debt is owned by federal, state, and local governments than is owned by foreigners
a. True b. False Indicate whether the statement is true or false
Which of the following names is given to the corporate bonds that carry the maximum risk?
a. Risky-time bonds b. Failure bonds c. Revelation bonds d. Blue-chip bonds e. Junk bonds
The total cost to a firm of producing zero units of output is
a. zero in both the short run and the long run b. its fixed cost in the short run, zero in the long run c. its fixed cost in the long run, zero in the short run d. its fixed cost in both the short run and the long run e. its variable cost in both the short run and the long run