Business models and designers

I'm starting to think about the curriculum for the 'Business Models and Stakeholders' course that I'm going to lead on the new CCA Design Strategy MBA. My module does not run until spring 2009 so there's planning time available. I'm thinking of having one session on the business models architectural firms use. On the basis that they are also designers. Philips might be another good business model to look at as they have a whole strategy around design of their products. It would be interesting to see if design, and design related companies have distinctive business models, and whether they approach their stakeholders in an identifiable way that's different from non-design oriented organizations.