Developing Performance Assessment Model of Production Units Modeled by Using Operational Factors with DEA Approach

Lean production is a new attitude and philosophy, which it’s origin and birthplace is Japan. Later this approach was introduced to Europe and America and was welcomed by many factories. This method persuades minimization of waste and maximization of efficiency of all facilities and manpower and capital. The present study aimed to find measures of lean production to select lean suppliers in a supply chain and the quantity of leanness of each supplier. First, a thorough review of the literature of lean assessment and leanness measurement has been conducted. Then quantitative measures of supplier evaluation extracted from the literature. By using Minimin which is a subset of data envelopment analysis, leanness of suppliers has been calculated. GAMS software was used to solve the final model.