7Bendiek,J. (1989). Privatizing the delivery of social welfare services:An idea to be taken seriously [M]. In S.B.Kamerman & A.J.Kahn (Eds.),Privatization and the Welfare State.Princeton, N.J.:Princeton Uni-versity Press.
8Smith,S.R., & Lipsky, M. ( 1993).Non -Profits for hire:The welfare state in the age of contracting [ M ].Cambridge,MA:Harvard University Press.
9Harrington, C.,& Pollock, A.M. ( 1998).Decentral- ization and privatization of long-term care in UK and USA[J].The Lancet,351,1805-1809.
10Cordes,J.,Henig,J.R.,& Twombly,E.C. (2001). Nonprofit human service providers in an era of pri- vatization:Toward a theory of economic and political response[J].Policy Studies Review, 18(4),91-111.