https://www.jstor.org/stable/pdf/2486410.pdf which is a survey of CEOs asking them " The question 'Given a reasonably high priority how many years would it take to recreate the current reputation of your company if you had to start from scratch? was also asked with respect to: The reputation of product range; The know- how of employees; the know-how of suppliers; the know-how of distributors; and networks. The average replacement period estimated for each intangible resource is shown in Table 2."
