解释为什么当边际转换率不等于消费者的边际替代率时,商品在消费者中间就不会有效率地分配。Explain why gods will not be distributed efficiently among consumers if the MRT is not equal to the consumers’marginal rate of substitution.
当你沿着一条凸的无差异曲线移动时,边际替代率如何变化?如果是一条线性的无差异曲线呢?What happens to the marginal rate of substitution as you move along a convex indifference curve? A linear indifference curve?