Problem definition : We examine a dynamic assignment problem faced by large wireless service provider (WSP) that is Fortune 100 company. This company manages two warranties: (i) customer warranty the WSP offers its customers and (ii) an original equipment manufacturer (OEM) OEMs offer WSP. The uses devices refurbished OEM as replacement devices, hence their operation closed-loop supply chain. D...

nowadays, efficient goods distribution in target markets is one of the most important challenges of marketing managers and goods producers. distribution of goods and services has a significant contribution in gross domestic product (gdp) of countries. so an efficient distribution network can support constant economic development of countries and reduces end-user price of products. identifying a...

This study proposes an integrated, reverse logistics supply chain planning process with modular product design that produces and markets products at different quality levels. A mixed integer programming (MIP) model formulates the overall planning process required to maximize profit by considering the collection of returned products, the recovery of modules and the proportion of the product mix ...

regarding the nature of non-linear discrete placement, and in order to determine the optimal capacity of the substation, the goal in the present study will be a number of local optimum points. in this research, the problem of optimal placement posts to reduce power losses by considering distributed generation (dg). in formulating the objective function, geographical distribution density in the ...

A warranty policy for a product should balance the interests of both producer and consumer. Consumer protection is typically provided by a guarantee of replacement or some form of repair of the product failing within a promised warranty period, while an approach to provide a corresponding protection for the manufacturer is to limit the maximum usage allowed under warranty. Such warranty policie...

Warranty is now an integral part of each product. Since its length is directly related to the cost of production, it should be set in such a way that it would maximize revenue generation and customers’ satisfaction. Furthermore, based on the behavior of customers, it is assumed that increasing the warranty period to earn the trust of more customers leads to more sales until the market is sat...

For second-hand products sold with warranty, the expected warranty cost for an item to the manufacturer, depends on (i) the age and/or usage as well as the maintenance history for the item and (ii) the terms of the warranty policy. The paper develops probabilistic models to compute the expected warranty cost to the manufacturer when the items are sold with free replacement or pro rata warrantie...