Paci, P.

health health care income inequality curve inequity concentration group equity expenditure person class index delivery country illness approach population result concentration index share system lorenz curve income groups measure inequity favouring distribution measurement table van doorslaer wagstaff netherland example value proportion lorenz payment difference italy britain concentration curves health status expenditure concentration curve concentration curve paper status comparison insurance study care consumption extent bottom model mortality wales income-related inequity section england treatment london economic equation finance policy doorslaer definition decile morbidity consumption illness concentration curve insurance premiums health care expenditure figure contribution favouring indicator survey oxford state premium