Is lean a theory? Viewpoints and outlook

Purpose Lean remains popular in a wide range of private and public sectors continues to attract significant amount research. However, most this research is not grounded theory. This paper presents discusses different expert viewpoints on the role theory lean practice provides guidelines for future Design/methodology/approach Seven experienced authors independently provide their views question “is theory?” before Rachna Shah summarizes holistic outlook Findings Authors agree, disagree sometimes agree disagree. close look reveals agreement several key points. The concludes that but has plenty theoretical underpinnings. Many lean-related theories promising opportunities Originality/value As researchers, we are asked justify our drawing “theory,” what does mean practice-driven phenomenon such as lean? answers directions