Xander Koolman

Explaining income‐related inequalities in doctor utilisation in Europe

Eddy van Doorslaer, Xander Koolman, Andrew M. Jones · Health Economics · 2004 · 718 citations

Public Affairs, Health Policy, Health Economics +16

Explaining the differences in income‐related health inequalities across European countries

Eddy van Doorslaer, Xander Koolman · Health Economics · 2004 · 563 citations

Social Sciences, Health Sciences, Population Health Sciences +15

On the interpretation of a concentration index of inequality

Xander Koolman, Eddy van Doorslaer · Health Economics · 2004 · 280 citations

Social Sciences, Economics, Sociology +17

Health-Related Non-Response in the British Household Panel Survey and European Community Household Panel: Using Inverse-Probability-Weighted Estimators in Non-Linear Models

Andrew M. Jones, Xander Koolman, Nigel Rice · Journal of the Royal Statistical Society Series A (Statistics in Society) · 2006 · 153 citations · Full text

Public Health, Health Sciences, Epidemiologic Methods +13

Effectiveness and costs of specialised physiotherapy given via ParkinsonNet: a retrospective analysis of medical claims data

Jan H. L. Ypinga, Nienke M. de Vries, Lieke H.H.M. Boonen et al. · The Lancet Neurology · 2017 · 146 citations · Full text

Medicine, Rehabilitation Medicine, Physical Therapy +12