تبیین رابطه ترکیب ریسک نامطلوب و ریسک مطلوب در پیش بینی نوسانات بازده بازار
محورهای موضوعی : مهندسی مالیحسین راد کفترودی 1 , محمدحسن قلی زاده 2 , مهدی فدایی 3
1 - گروه مدیریت.واحد رشت، دانشگاه آزاد اسلامی، رشت، ایران.
2 - گروه مدیریت، دانشکده ادبیات و علوم انسانی، دانشگاه گیلان، رشت،ایران
3 - گروه مدیریت، واحدرشت، دانشگاه آزاداسلامی، رشت، ایران
کلید واژه: مدل خود رگرسیون برداری, ریسک نامطلوب, ریسک مطلوب, پیش بینی نوسانات بازده بازار,
چکیده مقاله :
هدف از انجام این تحقیق تبیین رابطه ریسک نامطلوب و ریسک مطلوب در پیش بینی نوسانات بازده بازار می باشد. این تحقیق از لحاظ ماهیت از نوع توصیفی و از لحاظ هدف کاربردی است. جامعه آماری تحقیق ، شرکت های پذیرفته شده در بورس اوراق بهادار تهران و نمونه مورد نظر شرکت های پذیرفته شده در صنعت سیمان هستند که داده های مورد نیاز تحقیق از آن ها قابل استخراج است. دوره زمانی تحقیق، از سال 1392 تا سال 1397 می باشد. این تحقیق دارای مدلی نظری است و برای آزمون فرضیه ها از مدل خود رگرسیون برداری استفاده گردید. در صنعت سیمان با توجه به آماره t و جهت ضریب آن مشخص می شود متغیر پیش بینی نوسانات بازده بازار با ریسک نامطلوب و ریسک مطلوب ایجاد همبستگی می کند. همچنین مقدار ضریب تعیین تعدیل شده در این رابطه 51 درصد می باشد که میزان این تاثیرگذاری را نشان می دهد.
The volatility of financial returns plays an important role in many empirical applications, such as portfolio allocation, risk management and derivative pricing. The purpose of this research is to explain the relationship between undesirable risk and desirable risk in predicting market return volatility. The research is descriptive in nature and applied in purpose. The statistical population of the study is the companies listed in Tehran Stock Exchange and the target sample of the companies listed in the cement industry from which the required research data can be extracted. The research period is from 1392 to 1397. This research has a theoretical model and the self-regression model was used to test the hypotheses. In the cement industry, according to the t-statistic and its coefficient of determination, it is clear that the predictor of market yield fluctuations correlates with undesirable and desirable risk. Also, the adjusted coefficient of determination is 51%, which indicates this effect.
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