multivariate process capability indices (mpci) show how well a manufacturing process can meet specifica-tion limits when quality characteristics enclose a relative correlation. process capability is an important and commonly used metric for assessing and improving the quality of a production process. when quality charac-teristics of a product are correlated then an attractive comes close to mpc...

Nowadays the new product and its importance are consideredas an essential strategy for staying in business. Though the hi-techindustry has focused on value innovation and improving the qualityof the new product development (NPD) process to drive new productperformance, new product success has not changed dramaticallyover the years. This study presents a novel approach based on structuralequatio...

Earlier models of quality differentiation showed that the qualities, of differentiated products, were lowered below efficient levels. Recently, qualities were shown to be enhanced, not degraded, in some cases. This paper presents a complete characterization of quality choices under vertical product differentiation by incorporating and refining assumptions on consumer preferences and production ...

this study deals with a two-level supply chain consisting of one manufacturer and one retailer. we consider an integrated production inventory system where the manufacturer processes raw materials in order to deliver finished product with imperfect quality to the retailer, where number of defective product has a uniform distribution. the retailer receives product and conducts a 100% inspection....

Customers and consumers are the necessities for the survival of industries and organizations. Trying to improve the process in order to increase consumer satisfaction is the most important aim. The survival of an organization depends on its ability to continue the activities in compliance with the demands of customers to meet their legitimate needs. An organization is successful when it exactly...