1. What is the concept of market equilibrium? (什么是市场均衡？)
📖 点击查看答案Market equilibrium is the point where the quantity demanded equals the quantity supplied at a given price.
市场均衡是需求量与供给量在某一价格下相等的点。
2. What happens when the market is in equilibrium? (当市场处于均衡时会发生什么？)
📖 点击查看答案When a market is in equilibrium, the quantity of goods demanded by consumers equals the quantity supplied by producers, and there is no upward or downward pressure on price.
当市场处于均衡时，消费者的需求量等于生产者的供给量，且价格没有上涨或下跌的压力。
3. How does a surplus affect the price in a market? (在市场中，过剩如何影响价格？)
📖 点击查看答案A surplus occurs when the quantity supplied exceeds the quantity demanded. To eliminate the surplus, the price will typically decrease.
过剩发生在供给量超过需求量时。为了消除过剩，价格通常会下降。
4. What is a shortage in a market? (市场中的短缺是什么？)
📖 点击查看答案A shortage occurs when the quantity demanded exceeds the quantity supplied at a given price.
短缺发生在某一价格下，需求量超过供给量时。
5. How does an increase in demand affect the equilibrium price? (需求增加如何影响均衡价格？)
📖 点击查看答案An increase in demand, with supply unchanged, leads to a higher equilibrium price and quantity.
需求增加且供给不变时，均衡价格和数量都会上升。
6. What happens when the supply curve shifts to the right? (当供给曲线向右移动时会发生什么？)
📖 点击查看答案A rightward shift in the supply curve indicates an increase in supply, which lowers the equilibrium price and raises the equilibrium quantity.
供给曲线向右移动表示供给增加，会导致均衡价格下降，均衡数量上升。
7. What does it mean if a market is not in equilibrium? (如果市场不在均衡状态下是什么意思？)
📖 点击查看答案If a market is not in equilibrium, there will be either a surplus or a shortage, causing price adjustments until the market reaches equilibrium.
如果市场不在均衡状态下，则会出现过剩或短缺，导致价格调整，直到市场达到均衡。
8. What is a competitive market equilibrium? (什么是竞争性市场均衡？)
📖 点击查看答案A competitive market equilibrium is when the price and quantity in a market are determined by competition, with many buyers and sellers, and no external interference.
竞争性市场均衡是指在竞争下，由许多买卖双方决定市场价格和数量，没有外部干预。
9. How does technological advancement impact supply? (技术进步如何影响供给？)
📖 点击查看答案Technological advancement can increase supply by making production more efficient, shifting the supply curve to the right.
技术进步通过提高生产效率，可以增加供给，使供给曲线向右移动。
10. What happens when income increases for a normal good? (当正常商品的收入增加时会发生什么？)
📖 点击查看答案When income increases for a normal good, the demand curve shifts to the right, leading to higher equilibrium prices and quantities.
当正常商品的收入增加时，需求曲线向右移动，导致均衡价格和数量上升。
11. How does a price decrease affect quantity demanded? (价格下降如何影响需求量？)
📖 点击查看答案A price decrease typically leads to an increase in the quantity demanded, as consumers are willing to purchase more at lower prices.
价格下降通常会导致需求量增加，因为消费者愿意在较低价格下购买更多商品。
12. What causes a leftward shift in the demand curve? (需求曲线向左移动的原因是什么？)
📖 点击查看答案A leftward shift in the demand curve occurs when there is a decrease in consumer income, a fall in the price of substitute goods, or a change in consumer preferences.
需求曲线向左移动发生在消费者收入减少、替代商品价格下降或消费者偏好变化时。
13. How does a price increase affect quantity supplied? (价格上升如何影响供给量？)
📖 点击查看答案A price increase generally leads to an increase in the quantity supplied, as producers are willing to supply more at higher prices.
价格上升通常会导致供给量增加，因为生产者愿意在较高价格下提供更多商品。
14. How do shifts in demand and supply affect equilibrium over time? (需求和供给的变化如何影响均衡随时间的变化？)
📖 点击查看答案Shifts in demand and supply over time can lead to changes in equilibrium price and quantity. If demand increases more than supply, the price will rise; if supply increases more than demand, the price will fall.
需求和供给随时间的变化可以导致均衡价格和数量的变化。如果需求增长超过供给，价格会上升；如果供给增长超过需求，价格会下降。
15. What happens if a substitute good’s price decreases? (如果替代品价格下降会发生什么？)
📖 点击查看答案If the price of a substitute good decreases, the demand for the original good typically decreases, shifting the demand curve to the left.
如果替代品的价格下降，原商品的需求通常会减少，需求曲线会向左移动。
16. How do new firms entering a market affect supply? (新公司进入市场如何影响供给？)
📖 点击查看答案New firms entering the market increase the supply of goods, shifting the supply curve to the right.
新公司进入市场会增加商品的供给，导致供给曲线向右移动。
17. What is the impact of a supply curve shifting to the left? (供给曲线向左移动的影响是什么？)
📖 点击查看答案A leftward shift in the supply curve indicates a decrease in supply, which increases the equilibrium price and decreases the equilibrium quantity.
供给曲线向左移动表示供给减少，会导致均衡价格上升，均衡数量下降。
18. What is the effect of an increase in supply on equilibrium quantity? (供给增加对均衡数量的影响是什么？)
📖 点击查看答案An increase in supply raises the equilibrium quantity, as more goods are available at the same or lower price.
供给增加会提高均衡数量，因为在相同或更低价格下，更多商品可供销售。
19. What happens if the price of a complementary good decreases? (如果互补商品的价格下降会发生什么？)
📖 点击查看答案If the price of a complementary good decreases, the demand for the original good typically increases, shifting the demand curve to the right.
如果互补商品的价格下降，原商品的需求通常会增加，需求曲线向右移动。
20. What is the relationship between price and quantity demanded in the law of demand? (在需求法则中，价格与需求量之间的关系是什么？)
📖 点击查看答案The law of demand states that as the price of a good increases, the quantity demanded decreases, and vice versa.
需求法则表明，商品价格上升时，需求量减少，反之亦然。
21. What happens when both demand and supply shift to the right? (当需求和供给同时向右移动时会发生什么？)
📖 点击查看答案If both demand and supply shift to the right, the equilibrium quantity increases, but the effect on the equilibrium price depends on the magnitude of the shifts.
如果需求和供给都向右移动，均衡数量增加，但均衡价格的变化取决于两者移动的幅度。
22. How does population growth affect the demand curve? (人口增长如何影响需求曲线？)
📖 点击查看答案Population growth increases demand, causing the demand curve to shift to the right.
人口增长增加需求，使需求曲线向右移动。
23. What happens when the price of a good increases in a competitive market? (在竞争性市场中，商品价格上涨时会发生什么？)
📖 点击查看答案In a competitive market, a price increase typically leads to a decrease in quantity demanded and an increase in quantity supplied, moving the market toward equilibrium.
在竞争性市场中，价格上涨通常会导致需求量减少，供给量增加，从而使市场朝均衡状态发展。
24. What happens to the supply curve when production costs decrease? (当生产成本下降时，供给曲线会发生什么？)
📖 点击查看答案A decrease in production costs shifts the supply curve to the right, increasing supply at every price.
生产成本下降时，供给曲线向右移动，在每个价格点上的供给量增加。
25. What happens if both demand and supply curves shift in opposite directions? (如果需求曲线和供给曲线朝相反方向移动会发生什么？)
📖 点击查看答案If demand and supply shift in opposite directions, the effect on equilibrium price and quantity depends on the magnitude of the shifts.
如果需求曲线和供给曲线朝相反方向移动，均衡价格和数量的变化取决于两者的移动幅度。
26. What is a positive technological change’s impact on supply? (积极的技术变化对供给的影响是什么？)
📖 点击查看答案A positive technological change improves production efficiency, shifting the supply curve to the right.
积极的技术变化提高了生产效率，使供给曲线向右移动。
27. What is the impact of a fall in income for a normal good? (正常商品的收入下降对其影响是什么？)
📖 点击查看答案A fall in income for a normal good leads to a decrease in demand, shifting the demand curve to the left.
正常商品收入下降会导致需求减少，需求曲线向左移动。
28. What is the concept of price elasticity of demand? (需求的价格弹性概念是什么？)
📖 点击查看答案Price elasticity of demand measures the responsiveness of quantity demanded to changes in price.
需求的价格弹性衡量需求量对价格变化的敏感度。
29. How does a decrease in the price of a good affect total revenue? (商品价格下降如何影响总收入？)
📖 点击查看答案If demand is elastic, a price decrease increases total revenue; if demand is inelastic, total revenue decreases.
如果需求是弹性的，价格下降会增加总收入；如果需求是无弹性的，价格下降会减少总收入。
30. What happens if the price of a good increases and demand is inelastic? (如果商品价格上涨且需求是无弹性的，会发生什么？)
📖 点击查看答案If demand is inelastic, a price increase leads to a smaller decrease in quantity demanded, and total revenue increases.
如果需求是无弹性的，价格上涨会导致需求量下降较少，总收入增加。
31. How does a decrease in supply affect equilibrium? (供给减少如何影响均衡？)
📖 点击查看答案A decrease in supply raises the equilibrium price and reduces the equilibrium quantity.
供给减少会提高均衡价格并减少均衡数量。
32. What is the effect of an increase in both supply and demand on equilibrium price? (供给和需求同时增加对均衡价格的影响是什么？)
📖 点击查看答案If both supply and demand increase, the equilibrium quantity increases, but the effect on equilibrium price depends on which shift is larger.
如果供给和需求同时增加，均衡数量增加，但均衡价格的变化取决于哪一方的移动幅度较大。
33. How do external factors like government policies impact market equilibrium? (政府政策等外部因素如何影响市场均衡？)
📖 点击查看答案Government policies such as taxes, subsidies, and regulations can shift supply or demand curves, leading to changes in equilibrium prices and quantities.
政府政策如税收、补贴和监管可能会改变供给或需求曲线，从而导致均衡价格和数量的变化。
34. How do changes in consumer preferences impact demand? (消费者偏好的变化如何影响需求？)
📖 点击查看答案Changes in consumer preferences can increase or decrease demand, causing the demand curve to shift to the right or left.
消费者偏好的变化可能会增加或减少需求，导致需求曲线向右或向左移动。
35. What happens to the equilibrium price when both supply and demand decrease? (当供给和需求都减少时，均衡价格会发生什么？)
📖 点击查看答案If both supply and demand decrease, the equilibrium quantity decreases, but the effect on price depends on the magnitude of the shifts.
如果供给和需求都减少，均衡数量减少，但价格的变化取决于两者的移动幅度。