Imam Hossein University Budget and Finance Strategic Research 2717-1809 1 3 2020 11 21 Designing an Optimal Indigenous Model of Risky Investment Development in Tehran Stock Exchange Using Grounded Theory and Fuzzy AHP Designing an Optimal Indigenous Model of Risky Investment Development in Tehran Stock Exchange Using Grounded Theory and Fuzzy AHP 11 50 205692 FA Asgar Najafiahmadabad PhD Student in Financial Management، Faculty of Economics and Management، Islamic Azad University of Tabriz،Iran 0009-0001-4791-9570 Nasser Fegh-hi Farahmand Faculty member of the Department of Management, Faculty of Economics, Accounting and Management, Islamic Azad University, Tabriz, Iran 0000-0001-6263-4787 Sirus Fakhimiazar Assistant Professor, Department of Management, Faculty of Economics, Accounting and Management, Islamic Azad University of Tabriz, Iran 0000-0001-6353-2432 Seyedali Payetakhti Oskoye Associate Professor, Department of Economics, Faculty of Economics, Accounting and Management, Islamic Azad University of Tabriz, Iran 0000-0001-8827-6236 Journal Article 2020 10 22 The purpose of this study was to design an optimal model for the development of risky investments in the Tehran Stock Exchange using grand theory and fuzzy AHP. The research method was a mixed method. In the first stage, using a qualitative approach, the basis of the research paradigm model has been extracted. The data collection tool was in the qualitative part of the interview. The statistical population of the qualitative section includes experts of investment funds, and 20 experts were selected for interview by theoretical sampling method. The data collection tool in this section was a researcher-made questionnaire that was designed based on the concepts extracted from the qualitative section. The statistical population of a quantitative part included the managers of listed companies. The sample size of this section has been determined based on the recommendations of the confirmation models of 210 people. The results of the qualitative section show 67 concepts in the form of 15 sub-categories and 6 main categories for the development of risky investment. The results of the quantitative section also showed that each of the main and sub-categories extracted from research experts could be generalized to the managers of listed companies. The purpose of this study was to design an optimal model for the development of risky investments in the Tehran Stock Exchange using grand theory and fuzzy AHP. The research method was a mixed method. In the first stage, using a qualitative approach, the basis of the research paradigm model has been extracted. The data collection tool was in the qualitative part of the interview. The statistical population of the qualitative section includes experts of investment funds, and 20 experts were selected for interview by theoretical sampling method. The data collection tool in this section was a researcher-made questionnaire that was designed based on the concepts extracted from the qualitative section. The statistical population of a quantitative part included the managers of listed companies. The sample size of this section has been determined based on the recommendations of the confirmation models of 210 people. The results of the qualitative section show 67 concepts in the form of 15 sub-categories and 6 main categories for the development of risky investment. The results of the quantitative section also showed that each of the main and sub-categories extracted from research experts could be generalized to the managers of listed companies. https://fbarj.ihu.ac.ir/article_205692_04bc9a8f15c0543cb7de7d163e3bcdd9.pdf