جستجوی مقالات مرتبط با کلیدواژه « افق سرمایه گذاری » در نشریات گروه « مالی »

Frequent changes in the balance between trading strategies based on existing conditions are very useful. It is necessary to be sure of the optimal combination of strategies used at regular intervals, Therefore, the purpose of this study is to investigate the quality of financial reporting, investment horizon and trading strategy of institutional investors of companies listed on the Tehran Stock Exchange. This research has been conducted in 135 companies listed on the Tehran Stock Exchange that have been selected based on the systematic elimination method. Also, this research has been done based on the information contained in the financial reports of companies in the period of 2009 to 2018. The method used is regression based on panel data. The results of the study regression model showed that the quality of financial reporting has a significant and positive effect on the relationship between short-term (long-term) institutional investors' horizons and trading strategy. In addition, the research findings indicate that the quality of financial reporting has a greater impact on the relationship between long-term institutional investors and trading strategy than short-term institutional investors. The results showed that when institutional investors have a long-term investment outlook and a low turnover, they have sufficient incentive to encourage managers to improve the quality of financial reporting and disclosure and to monitor managers' behavior. But short-term institutional shareholders are temporary investors who pay more attention to current earnings in determining stock prices,

Momentum& Contrarian trading strategies used to exploit the serial correlations of market yields and securities fall under financial exceptions and capital market irregularities. In this strategy, incremental returns can be achieved by buying past winning stocks and selling past losing stocks. Accordingly, the purpose of this study was to explain the moderating role of the investment horizon on the additional returns resulting from the use of accelerated-reverse strategies in Tehran Stock Exchange price Explain the moderating role of the investment horizon on excess returns from Implementation of the Momentum& Contrarian strategy changing in stock price volatilities. The hypothesis testing in the present study was performed using multivariate linear regression model and econometric modeling. In examining the moderating effect of investment horizons on the above relationship, it was also found that despite the unexpected effect of the surplus resulting from the change in strategy on the stock price fluctuations, the investment horizon parameter on the additional return relationship derived from the use of strategies Momentum& Contrarian of stock price fluctuations have no significant effect.