Casadesus-Masanell, Ramon. "Ford's Model-T: Pricing over the Product Life Cycle." Abante: Estudios en dirección de empresas 1, no. 2 (1998): 143–65.

The number of sales and the length of a product life cycle might be different for different ... this to help them know when to adjust costs and price, to boost sales and to extend the life of ...

There is, furthermore, a persistent feeling that the life cycle concept adds luster and believability to the insistent claim in certain circles that marketing is close to being some sort of science.