When a shortage exists in a market, sellers
A、raise price, which increases quantity demanded and decreases quantity supplied until the shortage is eliminated.
B、raise price, which decreases quantity demanded and increases quantity supplied until the shortage is eliminated.
C、lower price, which increases quantity demanded and decreases quantity supplied until the shortage is eliminated.
D、lower price, which decreases quantity demanded and increases quantity supplied until the shortage is eliminated.
A、raise price, which increases quantity demanded and decreases quantity supplied until the shortage is eliminated.
B、raise price, which decreases quantity demanded and increases quantity supplied until the shortage is eliminated.
C、lower price, which increases quantity demanded and decreases quantity supplied until the shortage is eliminated.
D、lower price, which decreases quantity demanded and increases quantity supplied until the shortage is eliminated.
微观经济学（全英）
章节列表
1. General Overview of Economics282. Principles of Economics353. Circular-Flow Diagram and PPF204. Interdependence and Trade205. Demand and Supply756. Elasticity717. Price Control and Taxation408. CS, PS and the Efficiency of Markets109. Costs of Taxation2510. International Trade3011. Externalities3112. Public Goods and Common Resources2013. The Costs of Production20