北京大学：《中级微观经济学》课程教学资源（PPT课件讲稿，英文版）Chapter Thirty 交换 Exchange

Adding preferences to the box XB For consumer b. 0 02 e B 2

Adding Preferences to the Box  2 B 1 B x B 1 x B 2 For consumer B. OB

Adding Preferences to the Box For consumer a X

Adding Preferences to the Box  2 A 1 A x A 2 x A 1 OA For consumer A

Adding preferences to the box

Adding Preferences to the Box  2 A 1 A x A 2 x A 1 OA  2 B 1 B x B 1 x B 2 OB

Edgeworth’sBox

Edgeworth’s Box  2 A 1 A x A 2 x A 1 OA  2 B 1 B x B 1 x B 2 OB

Pareto-Improvement An allocation of the endowment that improves the welfare of a consumer without reducing the welfare of another is a Pareto-improving allocation Where are the Pareto-improving allocations?

Pareto-Improvement An allocation of the endowment that improves the welfare of a consumer without reducing the welfare of another is a Pareto-improving allocation. Where are the Pareto-improving allocations?