نشریه مطالعات مدیریت، اقتصاد و کارآفرینی
سال چهارم شماره 2 (تابستان 1402)

Today, using the quality of services is very important in attracting market and creating a favorable feeling in costumers. This has led to the purpose of this study to investigate the effect of service quality on customer loyalty and brand equity in Kaleh Mazandaran Company. The present study is practical in terms of type and in terms of method is in the category of correlation-survey research. Research data were collected using a questionnaire distribution. To measure the Service quality variable, Servqual and Servperf model has been used, which has 23 items. Customer loyalty is measured by Liu (2008) model which has 8 items. Finally, the Brand equity variable has been investigated using the Aaker (1991) model, which has 32 items. The statistical sample of the research is 214 customers of Kaleh products who were selected by simple random sampling. SPSS software was used to analyze the data. The results show that service quality has a positive and significant effect on customer loyalty and brand equity. In dimentions of service quality, reliability has the greatest impact on dependent variables and is very important for customers.

The purpose of this research is to investigate the mediating role of experience and brand identity in the impact of social media marketing on electronic word of mouth advertising in the hotel industry. This research is based on the objectives, of the type of applied research, and is based on data collection and research design in a descriptive-survey method. The statistical population of the research is the customers of the hotel industry in Tehran, which is assumed to be unlimited due to the uncertainty of the population due to the large number. According to Cochran's formula and unlimited population, a sample of 385 people should be selected. The data collection tool is a standard questionnaire. The validity of the content of these questionnaires has been confirmed by the supervisor and a number of other professors. By taking the questionnaires and the information obtained from the researched hypotheses, it was analyzed using SPSS and PLS4 software. The results show that social media marketing has a positive and significant effect on electronic word of mouth advertising, brand experience and brand identity. And brand experience and brand identity have a positive and significant effect on electronic word of mouth advertising. Also, experience and brand identity play a mediating role in the impact of social media marketing on electronic word of mouth advertising in the hotel industry.

The purpose of this research is to investigate the role of self-efficacy of digital entrepreneurship in the effect of entrepreneurship education on the performance of digital entrepreneurship in digital startups. Based on the goals, this research is of applied research type and based on data collection and research plan, it is descriptive-survey. The statistical population of the research is all employees of digital startups in Tehran, which according to statistics is about 8231 people. According to Cochran's formula, a sample of 367 people should be selected. The data collection tool is a standard questionnaire. The validity of the content of these questionnaires has been confirmed by the supervisor and a number of other professors. The reliability of the questionnaire was calculated using Cronbach's alpha method. The calculated alpha value is equal to 0.859, which can be said that the current research has acceptable reliability. By taking the questionnaires and the information obtained from the researched hypotheses, they were analyzed using SPSS and PLS4 software. The results show that entrepreneurship training has a positive and significant effect on digital entrepreneurship self-efficacy and digital entrepreneurship performance (financial, customer, internal, growth and learning). Also, self-efficacy of digital entrepreneurship has a positive and significant effect on the performance of digital entrepreneurship of digital startups.

Money laundering is an illegal method by which the obtained economic and financial benefits enter the economic and banking cycle with a legal and unrecognizable appearance. Money laundering is a secondary crime that is created and formed to legalize the primary crime. Money laundering is an organized crime and is carried out by a team with a detailed plan. The crime of money laundering is considered transnational and will not be limited to borders; This crime usually takes place internationally and in countries with money laundering opportunities. During money laundering, illegal money, which is divided into three categories of gray money, black money, and money stained with blood, becomes legal and cannot be tracked by legal authorities. Illegal money enters the financial and economic system after going through the three stages of placement, layering and integration, and it will not be different from legal money. In this research, the concept and stages of money laundering have been investigated with the descriptive research method.

The purpose of this research is to identify and explain the impact of exchange rates, short-term and long-term interest rates on the stock returns of banks admitted to the Tehran Stock Exchange. The research method is descriptive-analytical. Also, in this research, due to the fact that the studied variables refer to the past, it is retrospective. The research method is experimental because past data is used. The statistical population of this research includes all member companies of Tehran Stock Exchange. The sampling method is systematic elimination or screening. In this research, using the ARDL method (Vector Explanatory Limit with Extended Interval), the estimated model was investigated using time series data and the time period of 1372-1392. The research results showed that; The effect of exchange rate variable on stock returns is positive and significant, and the effect of short-term interest rate, long-term interest rate and inflation rate variables on stock returns is negative and significant.

Customer relationship management is a strategic necessity in all organizations. The attitude and approach of many organizations to customer relationship management is from the point of view of technology. Customer relationship management is a competitive advantage for organizations. Today, companies and organizations are forced to include issues related to environmental protection in their activities and even in their marketing in order to satisfy the needs of customers and communicate more with them, and act on social responsibility and protect the rights of consumers. to use Green marketing refers to those activities and products that develop and improve pricing, promotion and distribution of goods that do not harm the environment. Therefore, organizations have tried to outdo each other by planning and implementing environmental protection activities in sync with the needs of people, because traditional marketing that overemphasizes the demands of customers and social welfare and environmental issues. It did not consider biology, it had lost its efficiency. Currently, issues such as dynamism and intensity of competition, increased concerns and awareness of consumers regarding the environment, as well as government regulations have caused commercial organizations to pay special attention to things such as the physical and mental health of consumers and the cleanliness of the environment. This issue encourages the use of green marketing. In this research, we intend to first examine the key concepts of the project and then we will review the research done in this regard, then we will examine the role of green marketing in customer relationship management.