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      • Open Access Article

        1 - Risk perception, behavioral biases and investment decisions
        Hanieh   Jaberi Seyed Javad dellavari@razi.ac.ir Saman Mohamadi
        Behavioral finance is one of the key topics in the field of finance and economics, which has a special attraction for scientific research. One of the determining factors of market movements is the sentiments of investors. In this context, it is important to study the ro More
        Behavioral finance is one of the key topics in the field of finance and economics, which has a special attraction for scientific research. One of the determining factors of market movements is the sentiments of investors. In this context, it is important to study the role of behavioral biases in shaping investors' decisions and its impact on market efficiency. The current research seeks to find the effect of the most important behavioral biases, the effect of tendency and herd behavior, considering the factor of risk perception on investors' decisions. The data of this research was collected through a questionnaire that was distributed among 384 stock market investors, also partial least square (PLS) method was used to analyze the data. The results showed that the effect of desire, herd behavior and risk perception have a positive and significant effect on investment decisions. Also, there is a negative and significant relationship between the effect of willingness and risk perception, finally it was found that herd behavior also has a significant effect on risk perception. In general, these results emphasize that behavioral and cognitive factors have an important impact on investment decisions. Manuscript profile
      • Open Access Article

        2 - Investigating the impact of investment behavior in Iran's capital market during the Covid-19 pandemic
        Mohammad baghr Khalgi Saeed Hosseipour
        The purpose of this study is to determine the impact of investment behavior on financial markets during the covid-19 in companies listed on the Tehran Stock Exchange. The current research is descriptive, quantitative and applied, and the data was collected using a quest More
        The purpose of this study is to determine the impact of investment behavior on financial markets during the covid-19 in companies listed on the Tehran Stock Exchange. The current research is descriptive, quantitative and applied, and the data was collected using a questionnaire from 120 investors in the Tehran stock market. The findings showed that the perception of risk, satisfaction and profitability rate have an effect on financial risk and general risk in relation to tolerance in the stock market. Also, the uncertainty of covid-19 moderates the relationship between risk perception and financial risk and the perception of risk and public risk relative to tolerance in the stock market, and similarly, the uncertainty of covid-19 moderates the relationship between satisfaction and financial risk and satisfaction and risk. The public adjusts the tolerance in the stock market. As financial institutions and the government take actions that indicate a reduction in financial risk, such as a reduction in investors and wealth. However, the world economy is mostly affected by Covid-19, while the financial markets are also affected. Manuscript profile