Supported by: The 11 th INTERNATIONAL RESEARCH SEMINAR IN SERVICE MANAGEMENT La Londe les Maures, France May 25, 26, 27 & 28, 2010 MARKETING, STRATEGY, ECONOMICS, OPERATIONS & HUMAN RESOURCES: INSIGHTS ON SERVICE ACTIVITIES Co-production: A fair-weather syndrome? by Tor W. ANDREASSEN, Anders GUSTAFSSON, Heiko GEBAUER                        !  "    #$  % &’’  ()"    *!’    +$ &’  &$’    ’        # !           &$    