A supply curve that intersects the horizontal (quantity) axis is:
A. unit elastic.
B. perfectly elastic.
C. elastic.
D. inelastic.
Answer: D
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A payment that is made by the government for which no goods or services are given in return is known as
A) a public good. B) a transfer payment. C) a negative externality. D) a free rider.
Which of the following statements about the concept of opportunity cost is true?
A. The opportunity cost of a decision only includes monetary outlays. B. The opportunity cost of a decision is the next best foregone alternative. C. All decisions have zero opportunity cost. D. The opportunity cost of a college education is measured by the payments for tuition and books.
Suppose you have $200 with which you can buy shares of stock from two companies: ABC Hot Chocolate Company and XYZ Lemonade. Each company's stock currently sells for $100 per share. If the temperature next year is lower than average, the stock price for ABC will increase by $20, and the stock price for XYZ will not change. If the temperature next year is higher than average, the stock price for XYZ will increase by $20, and the stock price for ABC will not change. There is a 50% chance that it will be colder than average next year, and a 25% chance that it will be warmer than average. If you purchase two shares of XYZ stock and no shares of ABC stock, your expected gain will be ________.
A. $30 B. $20 C. $0 D. $10
When firms incur unplanned inventories, they typically
a. build new plants. b. call for more government spending. c. hire more workers and increase production. d. lay off workers and reduce production.