Key Topics How can knowledge about good practice and innovation be transferred between regions or cities in the most effective way? Is there scope for greater collaboration or the setting up of a “knowledge sharing” data bank or some other innovative way of sharing ideas and information? Are there fundamental principles of good practice that can be transferred between very different cultures and economies or does it only work on a “like for like” basis? What are the differences between local, national, and international partnerships, particularly in the context of implementation?