درخت حوزه‌های تخصصی

Entrepreneurial ecosystem is a geographic framework that indicates that a person is supported by which factors for becoming a businessman. Effective factors on this issue include social, cultural, political and economic structures that should be considered in the context of different regions. In our research, we are going to identify not only international and national factors affecting entrepreneurship but also factors that will affect on the entrepreneurship of the region. The statistical sample includes 100 entrepreneurship development policymakers, entrepreneurs, and owners of knowledge-based companies. The data gathering tool of the interview was based on a closed questionnaire and the validity and reliability of this research were confirmed after the assessment. Based on the findings of this study from the descriptive aspect, this conceptual model has been appropriate for experts and entrepreneurs. Analysis of the main goals of the research shows that there are a number of factors on the region that the ecosystems of entrepreneurship are affected by them, which include geographic, demographic, institutional factors, and regional infrastructure.

This research has been conducted with the aim of developing a model for explaining the technology transfer process at entrepreneurship university. The research methodology is inductive and relies on the grounded theory. First, the background of research is presented in the field of technology studies, technology transfer process, entrepreneurship university, technology transfer process at the University of the Entrepreneurs, then has been interviewed with 9 technology management experts. Then, with the foundation's data approach, the nature of the technology transfer process in the Entrepreneurship University and its formation are identified and the position of each of its constituent elements has been presented in the form of a conceptual model. The extracted model includes factors such as environmental factors of the university, internal factors of the university, the management structure and technology transfer strategy, transactions, and features of the company is in the campus of entrepreneurship university. The results showed that Achieving the technology transfer process at the Entrepreneurship University requires a number of steps and actions based on grounded theory. In this study, open and deep interviewing, library documents and notes were used to collect data. Sampling method is theoretical sampling. Theoretical sampling is a purposeful sampling The researcher tries to examine the subject and the phenomenon by using the knowledge and knowledge of the most informed individuals about the subject of research. Theoretical sampling continued until the categories reached theoretical saturation.

Currently, in Iran's banking system, non-repayment of facilities has become one of the biggest issues, and due to the lack of a proper system for proper allocation of facilities, they face a number of problems, including the problem of allocation of loans, the problem of failure to repay loans Of the central bank, or the amount of facilities increased from the amount of reimbursement. The solution of this problem is the credit rating of the customers, which is based on a model based on the theory of fuzzy sets for validation of real customers of the Maskan bank of the East Azer-baijan in Iran in 2016. In this research a structured model was obtained for deter-mination and categorization of input variables for application in the system by factorial analysis then a expert fuzzy system was modelled that consist of six steps. In the first step a fuzzy system is designed that its inputs are financial capacity, support, reliability, repayment record and its outputs is customer credit. In the second step input and outputs are partitioned, in the third step thee partitioned inputs and outputs are converted into fuzzy numbers. The fuzzy inference is compiled in step four. In step five the defuzzifier is conducted. Finally the designed model is tested in step six. These results indicate research model efficiency compared to bank credit measuring experts that they predicate applicants performance according their judgment and intuition.

Information opacity leads to information asymmetry. In this situation, in providing their own financial needs, firms face limitations and inevitably provide their financial needs from the debt market by signalling private information to it. In addition, information opacity affects the leverage adjustment speed. This research investigates the effect of information opacity on deviation from target leverage and its’ adjustment speed during 2003 - 2017 in 131 firms listed in Tehran Stock Exchange. To estimate the research models, we use the regression analysis with panel data approach, the approach to control the effects of years and industries and the generalized method of moments with system estimator (system GMM). The research results show that the increase in information opacity increases (decreases) the positive (negative) deviation from target leverage. Also, research findings indicate that the increase in information opacity decreases the adjustment speed.

The present study sought to investigate the differential effect of using native-accent and non-native accent materials on the Iranian English as a Foreign Language (EFL) learners’ listening comprehension. To this purpose, 60 primary EFL Iranian learners participated in the study. The participants were randomly divided into a control group (N=30) and an experimental group (N=30). First, a Quick Placement Test which consisted of vocabulary, grammar, and reading items was administered in order to ensure the homogeneity of participants. As the intervention of the study, the control group was provided with the listening materials accompanied by the use of their native-accent audio files, whereas the experimental group was exposed to the same listening tasks and materials which were pronounced by the non-native teacher. The experimental intervention lasted for six forty-minute sessions. To collect the data, the listening component of Pearson Test of English General (PTE General) was used as the pre-test and the post-test to measure listening comprehension of the participants. The results indicated that using non-native accent listening materials was more effective than using native-accent materials in enhancing listening comprehension of the EFL learners. These findings were discussed in the light of English as an International Language (EIL) debate and the theory of inter-language speech intelligibility benefit.