Model: superfluous work

work devoted to taking care of secondary needs

superfluous work is a very sophisticated form of waste,

since we often fail to realize that it is waste.

We think we are adding value, but we are not.

causes of secondary needs

Model: 3 sources of inefficiency

example: managing receipts

(src: Book: This is LEAN - Niklas Modig & Par Ahlstrom)