List of Articles investment Open Access Article Abstract Page Full-Text 1 - The Effects of Stocks Return Volatility on Working Capital Accruals with Moderating Effects of Life Cycle and Ownership Structure of Firms Mohsen Dastgir Nader khedri Afsaneh Soroushyar Open Access Article Abstract Page Full-Text 2 - Determining the Optimum Investment Portfolios in the Iranian Banking Network Base on Bi-level Game using the Markowitz Optimization Model by Firefly Algorithm Mehdi Memarpour Ashkan Hafezalkotob Mohammad Khalilzadeh Abbas Saghaei Roya Soltani 20.1001.1.25382756.2021.6.3.1.2 Open Access Article Abstract Page Full-Text 3 - Identifying the Factors Affecting Technology Transmission through Foreign Direct Investment (FDI) Experimental control: Iranian Nanotechnology Industry حسین خسروپور مریم میرافشار Open Access Article Abstract Page Full-Text 4 - Developing an Appropriate Investment Model in Stock Exchange by DEA Neural Network Approach مصطفی کاظمی محمد اسفندیار حدیث نجاریان