Iacone, Fabrizio; Martin, Steve; Siciliani, Luigi; … - 2007
and Related Studies, University of York, Heslington, York, YO10 5DD.
E-mail: fi501@york.ac.uk.
†
Department of Economics … and Related Studies, University of York, Heslington, York, YO10 5DD.
E-mail: sdm1@york.ac.uk.
‡
Corresponding author ….E.P.R., 90-98 Goswell Street, London
EC1V 7DB. E-mail: ls24@york.ac.uk.
§
Centre for Health Economics, and Department of …