边际技术替代率()。
A.是正的,并且呈递减趋势
B.是正的,并且呈递增趋势
C.是负的,并且呈递增趋势
D.是负的,并且呈递减趋势
交换的帕累托最优条件是()。
A.任何两个消费者消费任何两种商品时的边际替代率都相等
B.任何两个生产者生产任何两种商品时的边际技术替代率都相等
C.任何两个消费者消费任何两种商品时的边际效用都相等
D.任何两个生产者生产任何两种商品时的边际转换率都相等
A firm has a production process in which the inputs to production are perfectly sustainable in the. long run. Can you tell whether the marginal rate of technical substitution is high or low, or is further information necessary? Discuss.