McK gives useful short videos in its ‘enduring ideas’ series. The latest I’ve viewed on the business system is a helpful reminder of the old value-chain concept, though it is disappointingly qualitative, even in the ‘How to conduct a good analysis’ section.  In fact, value-chain is a better term for what the video describes.If the term ‘system’ [as dictionaries suggest] means a group of interacting, interdependent elements forming a complex whole that behaves in some way, then an adequate system description of ...