举一反三
- When the size of a tax is doubled, the deadweight loss from the tax ( ) A: increases by the size of the tax. B: doubles. C: remains constant. D: increases by a factor of four.
- 以下各句正确的是__________。 A: An increase in demand is likely to cause a rise in prices. B: Increases in demand usually lead price increases. C: If demand increases; as a result, prices tend to rise. D: Increases in price are often resulted by increases in demand.
- Factor markets are different from product markets in an important way because A: equilibrium is the exception, and not the rule, in factor markets. B: the demand for a factor of production is a derived demand C: the demand for a factor of production is likely to be upward sloping, in violation of the law of demand. D: All the answers are correct.
- Factor markets are different from product markets in an important way because A: equilibrium is the exception, and not the rule, in factor markets. B: the demand for a factor of production is a derived demand C: the demand for a factor of production is likely to be upward sloping, in violation of the law of demand. D: All of the above are correct.
- The law of demand states that the quantity demanded of a product increases as:
内容
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Good A and good B are substitutes in production. The demand for good A decreases, which lowers the price of good A. The decrease in the price of good A ( ) A: decreases the supply of good B: increases the supply of good C: decreases the demand for good D: increases the demand for good
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中国大学MOOC: Price elasticity of demand along a linear, downward-sloping demand curve increases as price falls.
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Price elasticity of demand along a linear, downward-sloping demand curve increases as price falls. A: 正确 B: 错误
- 3
When bond interest rates become less volatile, the demand for bonds _________ and the interest rate _________. A: increases; rises B: increases; falls C: decreases; falls D: decreases; rises
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If the size of a tax increases, tax revenue will increase, and then decrease. ( )