3OECD data. The Norwegian Ministry of Children and Family Affairs, OECD - Thematic Review of Early Childhood Education and Care Policy.
4OECD data. See the table 1. Background Report of America, OECD Thematic Review of Education and Care Policy.
5OECD data. See the table 7: Demand Subsidies for the Use of Private or Public ECEC Services, Gordon Cleveland and Michael Krashinsky: Financing ECEC Services in OECD Countries.
6Neil Gilbert Paul Terrel．社会福利政策导论[M]．黄晨熹,周烨,刘红译．上海：华东理工大学出版社，2003．
