标准贸易模型
A Standard Model of a Trading EconomyIndifference curvesEach traces a set of combinations of cloth (C) and food (F) consumption that leave the individual equally well off(无差异曲线是在同一消费效用水平 ( 上棉布(C)和粮食 的消费组合的轨迹) 和粮食(F)的消费组合的轨迹 上棉布 和粮食 的消费组合的轨迹) They have three properties: Downward sloping The farther up and to the right each lies, the higher the level of welfare to which it corresponds Each gets flatter as we move to the right12