Price elasticity of supply is always
A) positive because of the law of supply.
B) negative because of the law of supply.
C) positive because of diminishing marginal utility.
D) negative because percentages can only be negative.
A
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Between 1921 and 1929, general prices as measured by wholesale or consumer prices
(a) were stable overall. (b) fell dramatically. (c) increased moderately. (d) increased significantly.
How does the federal government determine the level of income that constitutes the poverty line for a family of a particular size?
a. The U.S. government defines the poverty line as income at or below three times the amount of money needed to buy basic, nutritionally sufficient food for all family members. b. The U.S. government defines the poverty line as income at or below four times the amount of money needed to buy basic, nutritionally sufficient food for all family members. c. The U.S. government defines the poverty line as income at or below twice the amount of money needed to buy basic, nutritionally sufficient food for all family members. d. The U.S. government defines the poverty line as income at or below five times the amount of money needed to buy basic, nutritionally sufficient food for all family members.
The expression, "There's no such thing as a free lunch," implies that
What will be an ideal response?
This graph shows the cost and revenue curves faced by a monopoly. 
According to the graph shown, if Q2 units are being produced, this monopolist:
A. is earning negative profits. B. is not maximizing profits. C. is producing where marginal costs are less than marginal revenue. D. should increase production.