Productivity growth, case mix and the optimal size of hospitals. A 16-year study of the Norwegian hospital sector Authors Anthun, Kjartan Sarheim a, b kjartan.anthun@ntnu.no Kittelsen, Sverre A C c sverre.kittelsen@frisch.uio.no Magnussen, Jon a jon.magnussen@ntnu.no Affiliations a Norwegian University of Science and Technology Department of Public Health and General Practice PO Box 8905 7491 Trondheim Norway b SINTEF Technology and Society Department of Health Research PO Box 4760 Sluppen 7465 Trondheim Norway c The Ragnar Frisch Centre for Economic Research Gaustadalléen 21 0349 Oslo Norway Corresponding author Kjartan Sarheim Anthun kjartan.anthun@ntnu.no *Title Page (showing Author Details)