Purpose – The purpose of this paper is to critically review the green lean approach and highlight its limitations; examine the compatibility of the green, lean and Six Sigma concepts; and propose Six Sigma, and specially its problem-solving methodology DMAIC, as an approach to help enhancing...

Purpose The academic literature and research lines exploring the effect of quality improvement methods on environmental performance still remain in early stages. The purpose of this paper is therefore to investigate, through a systematic review of the existing academic literature, the...

Purpose The purpose of this study is to examine the critical failure factors (CFFs) linked to various types of process improvement (PI) projects such as Kaizen, Lean, Six Sigma, Lean Six Sigma and Agile. Proposing a mitigation framework accordingly is also an aim of this study....

Purpose The purpose of this global study is to investigate the critical failure factors (CFFs) in the deployment of operational excellence (OPEX) programs as well as the key performance indicators (KPIs) that can be used to measure OPEX failures. The study also empirically analyzes various OPEX...