Hall, J.

health vaccination vaccine program model evaluation disease infection income hospital vaccination programs van doorslaer estimate country doorslaer population analysis distribution visit specialist inequality benefit effect insurance group number admission study result doctor health care contribution access intervention choice probability policy inequity 2 weeks patient service university australia australian quality measure beutel variable practice oecd countries herd immunity cost-effectiveness concentration immunization pro-poor economic equity healthcare future 0.000 concentration index modeling 12 months development quintile example index discounting issue hepatitis disorder preference decomposition impact status immunity survey outcome system pneumococcal