FRQ: Supply & Demand Analysis
供需分析
练习供需曲线移动、市场均衡变化、消费者剩余与生产者剩余的Free Response Questions
Question 1 (4 points)
Draw a correctly labeled graph of the market for coffee. Show the equilibrium price (P*) and quantity (Q*). Then show the effect of a frost that destroys half the coffee crop. Label the new equilibrium (P₂, Q₂).
Suggested time: 6 minutes
Question 2 (4 points)
Assume the government imposes a price ceiling below the equilibrium price in the market for gasoline. Draw a graph showing the price ceiling (Pc), the quantity demanded (Qd), and the quantity supplied (Qs). Shade the shortage.
Suggested time: 6 minutes
Question 3 (5 points)
Using a correctly labeled graph, show the effect of an increase in consumer income on the market for an inferior good. Explain the change in equilibrium price and quantity.
Suggested time: 8 minutes
Question 4 (5 points)
Draw a graph showing the effect of a per-unit tax imposed on sellers of cigarettes. Show the tax revenue, the deadweight loss, and the burden of the tax on consumers and producers.
Suggested time: 8 minutes
答题提示
- 图表题：确保正确标注坐标轴、曲线和关键点
- 计算题：写出完整计算过程，标明最终答案
- 解释题：先陈述结论，再用经济学原理解释
- AP考试FRQ每题约6分钟