1 Department of Economics, University of Gothenburg, Centre for Health Economics at the University of Gothenburg (CHEGU), Gothenburg, Sweden, gustav.kjellsson@economics.gu.seDepartment of Economics, Health Economics & Management, Institute of Economic Research, Lund University, Lund, SwedenCenter for Primary Health Care Research, Lund University/Region Skåne, Lund, SwedenCentre for Health Policy, School of Population and Global Health, The University of Melbourne, Melbourne, VIC, Australia.