Systematic review analyzes 75 publications, showing a cost reduction of 15-30% in industrial processes, highlighting Lean and Six Sigma techniques.
In an industrial context characterized by increasing competitiveness demands, cost control and financial profitability optimization are strategic objectives. Industrial waste — in the form of overproduction, defects, and unnecessary inventory — can represent up to 30% of total costs in certain sectors. The adoption of proven strategies such as Lean Management, Six Sigma, and Industry 4.0 technologies enables the elimination of these inefficiencies. This systematic review, conducted according to the PRISMA method, analyzes 75 scientific publications from recognized databases (Scopus, Web of Science, ScienceDirect), published between 2010 and 2024. The results reveal that implementing these methods leads to an average cost reduction of 15 to 30%, defect reduction of over 50%, and profitability improvement of up to 20%. Organizational, technological, and human levers are discussed from a continuous improvement perspective.
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mouna et al. (2025) studied this question.
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