The mathematical steps in the text have on purpose been kept fast, to reduce the
volume of the book, and partly to allow for different approaches by the
individual students. This book adopts a knowledge-based perspective that sees
the firm as a repository of knowledge resources and capabilities. The firm's
knowledge base includes the expertise and experience of individuals, the
routines and process that define the distinctive way of doing things inside the
organization, as well as the knowledge and capabilities are unique and difficult
to imitate, they confer sustainable competitive advantage on firm.