Lean companies work to develop and establish value with continuous improvement of their value stream flow, not by cost reduction practices.
1. Joe Stenzel, Lean Accounting: Best Practices for Sustainable Integration (John Wiley & Sons, 2007), Kindle loc. 981–82.
A core principle of Lean is continuous improvement through experimentation and learning. The general notion is that there isn’t a “perfect” way to do something. Rather, seeking perfection is an ongoing process, since there are always opportunities for improvement that can be uncovered using scientific disciplines. As described by Mary and Tom Poppendieck, “. . . any development process that deals with a changing environment should be an ...