Saffron is an important export product of Iran. Saffron role as an agricultural export product is now obvious worldwide. It is important to identify the barriers to Iran's Saffron export in order to maintain Iran's position as the world's biggest producer and exporter of saffron. The purpose of this study is to determine the barriers to Iran's saffron export to international markets using Michael Porter's Diamond Model.The type of this paper is empirical and practical and the data collection method is descriptive-cognition. The related information for this scope have been collected by using library resources such as books, scientific journals and moreover, in order to accept or reject the research hypotheses a questionnaire with 42 questions made by researchers have been used. The statistical society of this research includes all the managers, advisors and experts of Iranian saffron export companies.All the hypotheses of the research were analyzed at the 95% confidence level. The results show that the most important barriers to Iran's saffron export include the demand conditions, related and supporting industries, firm strategy, structure, and rivalry, government, and chance. The results also indicate that factor conditions are not important barriers to Iran's saffron export.

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Integrating marketing principles with IT suggests new developed models for the marketing world such as viral marketing (VM). On the other hand, lots of prior studies have theoretically articulated and empirically examined the fact that trust is the essence of any human interaction especially for the online activities. Grounded on the viral marketing and trust literature, this descriptive and applied study, was targeted to integrate trust and viral marketing through the technology acceptance model (TAM). The purpose of this study is to evaluate the consumers' trust effect on viral marketing acceptance. Respondents to the questionnaire are 69 experts responsible for the selection and purchase of the medical equipment in Isfahan University of Medical Sciences, Iran. This study is originated from the perspective of the graduated consumers whose behaviors look different from the average. Applying a census-based methodology and statistical analysis, especially path analysis, the study showed that trust plays an important role in the attitude toward engaging in VM and in the intention of the consumers to engage and finally to actual use of VM by the experts. This study verified TAM too. It was followed by some managerial implications for the companies in order to design their viral marketing campaigns to be more successful. Finally, considering the findings and the limitations of this study, some academic suggestions for further researches have been made.

In order to understand customers' characteristics, banking management should create a good relationship with them. The goal of this research is evaluation of effect electronic banking and three dimensions comprise quality of system, quality of information and quality of servicein customer loyalty with regard to role of customer satisfaction among customers of mellat bank in Isfahan city in Iran. The population of the study comprises customers of mellat bank in Isfahan city that use of total electronic banking service, therefore the population of research is unlimited and uncounted. The instrument of data collection in this research is standard questionnaire. Number of 250 questionnaire distributed and totally 224 questionnaires were analyzed. Samples were also selected with method of available random. To analyze data and test hypotheses was used pls and Spss software. The results indicate that system quality has a positive and significant impact in customer satisfaction. On the other, results indicate that information quality has a positive and significant impact in customer satisfaction. Also, the effect of customer satisfaction in customer loyalty is confirmed.

Since long times ago, depending on petroleum and its products has been the most important challenge in Iran's economy. Therefore reducing the role of that and substituting it with other industries is one of the principal purposes of Iran's economic projects. Among these substituting industries, tourism is the most important one. Because of creating many job opportunities ,entering lots of foreign exchange and has the minimum environmental pollution .However in Iran does not given priority to tourism industry as it deserves, so Iran which is the 5 th attractive country in the world, in 2009 was place 137 th ranking of the countries in terms of attracting tourists. Therefore, it seems absolutely necessary to take tourism industry into consideration more seriously.The goal of this study is investigating the effective factors on tourism industry in Iran, the mentioned goal will be accomplished by variable factors such as advertisement and informing people, tourist's safety and security, reducing tourism expense, increasing welfare services and its quality, increasing foreign investment and expanding foreign relation as research hypothesis. The type of article is descriptive-cognitive and the related information for this scope has been collected by using library resources and moreover for collecting necessary data in order to accept or reject the research hypothesis a questionnaire made by researchers has been used. Statistical society for this research includes the managers of tourism agencies in Isfahan city and the method being used has been random sampling. All the variables have positive effect on tourism industry in Iran.