1. Emmerson, C., Frayne, C. and Goodman, A., 2000, Pressures in UK Healthcare: Challenges for the NHS, Commentary No. 81, London: Institute for Fiscal Studies
2. OECD 2001b, Starting Strong: Early Childhood Education and Care, Paris: OECD
3. Bryson, C. and New, B., 2001, ‘Health care rationing: a cut too far?’ in R. Jowell, J. Curtice, A. Park, K. Thomson, L. Jarvis, C. Bromley and N. Stratford (eds.), British Social Attitudes: Focusing on Diversity, the 17th report: 2000–01 Edition, London: Sage
4. Sample Selection Bias as a Specification Error
5. Equity in the delivery of health care in Europe and the US