درخت حوزه‌های تخصصی

This study was conducted to evaluate the competitiveness and loyalty between the Internets and has been in the insurance industry. The questionnaire was used to collect data. The questionnaires were distributed among 93 Iranian insurance company clients. In order to analyze the data and present the results of SPSS software and structural equation is utilized. The results of this study indicate that the Internet and the Competitiveness and loyalty based on statistical correlation have been made accordingly, all the assumptions in the research that indicates a significant relationship between the Internet and the loyalty and competitiveness component is approved.

One of the most important parts of the green supply chain management (GSCM) is the green supplier. The green supplier selection process has a vague nature. Therefore, specific approaches, such as fuzzy, are necessary during their evaluation. On the other hand, the choice of a coherent and integrated strategy is vital to achieve lean and green production. Accordingly, the present study aimed to select suppliers based on lean green production indicators by goal programming, fuzzy DEMATEL and quality performance expansion. The statistical population of this study consisted of personnel (managers, assistants and experts) with 16 managers and assistants and 46 experts. In this research, the Cochran formula (including error percentage of 5%) was used to determine the number of statistical samples. Accordingly, 53 experts from Pars Khodro Company participated as a sample (by simple random sampling method). In order to analyze the data, fuzzy DEMATEL methods, expansion of fuzzy performance quality and goal programming were used. According to the findings of the present study, continuous improvement to achieve lean green indicators is the main element of the production system at Pars Khodro Company. The important aspect of determining how much damage would be bestowed on the best supplier, so that it would be possible to determine the least amount of damage in sum, was reviewed in this section. In other words, the lowest possible losses are based on the suffering of the current  losses, the supplier and in which level of losses it has the most optimal status.