标准贸易模型
A Standard Model of a Trading EconomyRelative Prices and DemandThe value of an economy's consumption equals the value of its production: PCQC + PFQF = PCDC + PFDF = V The economy’s choice of a point on the isovalue line depends on the tastes of its consumers, which can be represented graphically by a series of indifference curves. (一国在等产值线上生产点的选择取决于该国消费者 的偏好， 的偏好，而消费者的偏好可以通过一系列的无差异曲线图 示出来) 示出来)11