共 4 条
[1]
Hodgkinson,Virginia,and Weitzman,MurrayS.Giving and volunteering in the United States. . (1994,1996)
[2]
Amornrat Apinunmahakul.Three Essays on the Private Provision of Pure Public Goods. . 2001
[3]
Salamon,Lester,andAnheier,HelmutK.Theemerging sector:The nonprofit sector in comparative perspective-an overview. . 1994
[4]
AndreoniJ,GaleW.G,andScholz J.K.Charitable Contributions of Time and Money. University of Wisconsin-Madison Working Paper . 1996