Locating a facility is often modeled as either the maxisum or the minisum problem, re ecting whether the facility is undesirable (obnoxious) or desirable. But many facilities are both desirable and undesirable at the same time, e.g. an airport. This can be modeled as a multicriteria network location problem, where some of the sumobjectives are maximized (push e ect) and some of the sum-objectiv...

There are many ways to measure quality before and after software is released. But for commercial and internal-use-only products the most important measurement is the user’s perception of product quality. Unfortunately perception is a very difficult thing to measure so companies attempt to quantify it through running customer satisfaction surveys and through the collection of failure/behavioural...

Dynamic customer demands impose new challenges for vehicle routing optimization with time windows, in which appear dynamically within the working periods of depots. The delivery routes should be adjusted as soon possible when emerge. This study investigates a collaborative multidepot problem dynamic and windows (CMVRPDCDTW) by considering resource sharing demands. Resource across multiple servi...

There has been a recent debate in the marketing literature concerning the possible mispricing of customer satisfaction. While earlier studies claim that portfolios with attractive out-of-sample properties can be formed by loading on stocks whose firms enjoy high customer satisfaction, later studies challenge this finding. A large part of the disagreement stems from the difficulty of how to actu...

the purpose of this research is to explore the relationship between after sales service quality and customer satisfaction in informatics services corporation. based on available literature review and guidance of professors and expert people, after sales service elements were identified, which are contact, responsiveness, personnel efficiency, system/product efficiency, system availability, cust...

the aim of this study is to survey the relationship between total quality management and customer satisfaction. in this field research, we have used the standard questionnaire of fuentes et at (2004). the city of sanandaj is the statistical study of manufacturing companies and the statistical society, 135 managers and employees of the centers were randomly selected. in order to examining the re...

In this paper, a variant of the Traveling Salesman Problem with Time Windows is considered, which consists in minimizing the sum of travel durations between a depot and several customer locations. Two mixed integer linear programming formulations are presented for this problem: a classical arc flow model and a sequential assignment model. Several polyhedral results are provided for the second f...

The purpose of this paper investigates the effect of perceived value on customer loyalty through brand image and customer satisfaction in a lowpriced cosmetic brand, as well as to examine the moderating role of gender. The results showed that perceived value positively affects brand image and customer satisfaction. Brand image positively influences customer loyalty but does not influence custom...