Resumen
Competitive advantage can be seen as the superiority of some market participants to properly use resources and utilize key competencies to deliver greater value than competitors, without compromising product quality and functionality. In that sense, accounting, especially management accounting, successfully responds to managers? needs for information that will be their adequate support in strategy implementation. Lean concept and target costing are just some of the concepts whose strategic orientation can be a good support to managers. The aim of this paper is to point out the similarities and differences between lean concept and target costing and to show on a practical example how these concepts bring business improvements in supply chain.