四、供给定理 Sup小 y and price a When the price of a good rises, the quantity supplied ill also rise 供给曲线的例外 P 0 Q 0 图2-2供给曲线 的例外四、供给定理 ▪ Supply and price ▪ When the price of a good rises, the quantity supplied will also rise. ▪ 供给曲线的例外 图2-2 供给曲线 的例外 S P 0 Q (b) P 0 Q (a) S P 0 Q (c) S