Save guides, add subjects and pick up where you left off with your BBC account. Invention vs. innovation: Invention is creating something new; innovation is improving or commercialising it.

How to convert a tantalizing concept into a managerial instrument of competitive power by Theodore Levitt Most alert and thoughtful senior marketing ... of the product life cycle.

It is withdrawn when it becomes unprofitable. Phases of the product life cycle Introduction Explanation The product is launched, so sales may be low because only a small number of customers are ...

How to convert a tantalizing concept into a managerial instrument of competitive power by Theodore Levitt Most alert and thoughtful senior marketing ... of the product life cycle.