求2本书，每本一千论坛币
1:

	Ng, Yew-Kwang, 1942-
Title	Welfare economics : introduction and development of basic concepts
Edition	Rev. ed.
Published	London : Macmillan, 1983.

(我有Welfare Economics：Towards a More Complete Analysis (2004)

2: 黄有光 福利经济学 (清晰版)

(我有 网版PDG and PDF, 都不清晰)