2David M.Blau,The Child Care Problem:an Economic Analysis[M],Russel Sage Foundation,2001.
3Heckman,J.and Masterov D.,The Productivity Argument for Investing in Young Children:Working Paper5[EB/OL],Invest in Kids Working Group,Committee for Economic Development,October2004.
4Sheila B.Kamerman,2006,A global history of e arly childhood education and care[EB/OL].
5Schweinhart, Lawrence. The High/Scope Perry Preschool Study Through Age 40: Summary, Conclusion, and Frequently Asked Question[M]. Retrieved April, 2006.2--8.
2Hansmann, H. The Role of Nonprofit Enterprise [J].Yale Law Journal, 1980, (5).
3Salamon, L. Of Market Failure, Voluntary Failure, and Third-party Government [J]. Journal of Voluntary Action Research, 1987, ( 1 ).
4Gregory D. Saxton & Chao Guo. Accountability Online: Understanding the Web-Based Accountability Practices of Nonprofit Organizations [J]. Nonprofit and Voluntary Sector Quarterly, 2011, (2).
5Sen A. Breaking the Poverty Cycle: Investing in Early Childhood. in R. Moran (ed.) Escaping the Poverty Trap: Investing in Children in Latin America( pp. 1 -11 ) Inter-American Development Bank, 2003.
6Esping-Andersen G. A Child-Centred Social Investment Strategy. In Esping-Andersen et al. ( ed. ) Why we need a new welfare state ( pp. 26 - 67 ). Oxford : Oxford University Press, 2002.
7Aikens N., et al. ACF - OPRE report : A Year in Head Start: Children, Families and Programs. HHS, 2010. http ://www. acf. hhs. gov/sites/default/files/oore/ yearjinal, pdf. 2014 - 02 - 01.
