The theory of the consumer can be presented using either an indifference curve approach, which uses the ordinal properties of utility (that is , which allows for the ranking of alternatives), or a utility function approach.
英
美
- 消費者理論可以被用無(wú)差異曲線(xiàn)來(lái)表示，就是利用有序的資本效用（也就是，哪個(gè)考慮到了選擇的順序），或是用效用函數方法表示。
