3. For an increased positive effect on innovation success, firms should combine low levels of co-creation with a higher number of involved functions and high levels of co-creation with few involved functions
4. Co-creation activity is placed equally amongst functions such marketing/sales, service/support and product development functions while it is far less common in production and logistics organisation function
5. Dutch firms are less active in co-creation in the NPD and service/support functions of the firm in comparison with firms worldwide
6. Conclusion: There is no main effect of co-creation on innovation success, but that the moderating effect of the number and type of organizational functions involved does make this relation significant