Actually, all of what you just mentioned is considered "economies of scope" (http://en.wikipedia.org/wiki/Economies_of_scope http://en.wikipedia.org/wiki/Econom

Actually, all of what you just mentioned is considered "economies of scope" (http://en.wikipedia.org/wiki/Economies_of_scope http://en.wikipedia.org/wiki/Economies_of_scope) Here, economies of scope make product diversification efficient if they are based on the common and recurrent use of proprietary know-how or on an indivisible physical asset.