举一反三
- Which of the following always raises the equilibrium price? A: an increase in both demand and supply B: a decrease in both demand and supply C: an increase in demand combined with a decrease in supply D: a decrease in demand combined with an increase in supply
- When supply is perfectly elastic, changes in demand have no effect on price
- In a commodity economy, the relationship among value, price, supply and demand is ( ) A: Prices are influenced by supply and demand and fluctuate around value B: Price is determined by value, reflecting value but not supply and demand C: Price is affected by value and changes with supply and demand D: Price is determined by value, reflecting value and supply and demand E: Price is determined by value, and affected by supply and demand. It also restricts supply and demand
- A price that is higher than the equilibrium price ( ) A: The producer cannot recover the production cost at this price. B: At this price, the quantity supplied is greater than the quantity<br/>demanded. C: Consumers are willing to purchase all products at this price. D: Demand is greater than supply at this price.
- Which of the following will definitely occur when there is an increase in demand for and a decrease in supply of milk? A: an increase in equilibrium quantity B: a decrease in equilibrium quantity C: a decrease in equilibrium price D: an increase in equilibrium price.
内容
- 0
When a tax is imposed on a good, the A: supply curve for the good always shifts. B: demand curve for the good always shifts. C: amount of the good that buyers are willing to buy at each price always remains unchanged. D: equilibrium quantity of the good always decreases.
- 1
If demand exceeds supply, the market can bear a higher price.
- 2
The slope of the demand curve is not the same as the price elasticity of demand because the slope of a demand curve ( ) A: compares percentage changes in quantity demanded and price. B: compares absolute changes in quantity demanded and price. C: obeys the law of demand. D: is not constant when the demand curve is linear.
- 3
When supply is ________ or the product is ________, then price is demand determined. A: variable; standardized B: fixed; unique C: fixed; standardized D: variable; unique.
- 4
The demand for corn increases. As a result, the price of corn will ________, and the less elastic the supply of corn, the ________ will be the effect on the price. A: fall; smaller B: fall; greater C: rise; smaller D: rise; greater