بررسی ارتباط نامتقارن قیمت نفت و پاندمی کووید-19 با ارزش معامله در بورس اوراق بهادار
محورهای موضوعی : دانش سرمایهگذاریمعصومه دادگر 1 , ویدا ورهرامی 2
1 - دانشجوی دکترای توسعه اقتصادی ، دانشکده اقتصاد و علوم اجتماعی، دانشگاه الزهرا،
2 - عضو هیئت علمی دانشکده اقتصاد و علوم سیاسی، دانشگاه شهید بهشتی
کلید واژه: بازار سهام, ارزش معامله بورس, قیمت نفت, ویروس کرونا, NARDL,
چکیده مقاله :
پیش بینی بازار بورس در هر دوره‌ای دشواری‌هایی به همراه داشته و ارزش معاملات بورس تحت تاثیر عوامل مختلف بوده است. از جمله این عوامل، حوزه نفت و گاز به ویژه در کشورهای وابسته به درآمد حاصل از فروش آنها بوده است. از طرفی شیوع پاندمی کووید-19 به تغییراتی عمیقی در هر دو حوزه منجر گردیده است. لذا در مقاله پیش رو، ارتباط بین قیمت‌های نفت و بازار بورس ایران با توجه به شیوع پاندمی کرونا مورد بررسی قرار می‌گیرد. شناخت پویایی‌های رفتار شاخص ارزش معامله بورس می‌تواند به پیش‌بینی دقیق تر رفتار آتی این متغیر کمک کند. بر این اساس، هدف اصلی این مقاله تحلیل بررسی ارتباط نامتقارن قیمت نفت، همچنین به طور هم‌زمان تاثیر تعداد مبتلایان ویروس کرونا، شاخص رسانه‌ای، شاخص هراس، شاخص اخبار جعلی، شاخص پوشش رسانه‌ای و شاخص احساس ویروس کرونا بر ارزش معامله بورس ایران، مورد مطالعه قرار می‌گیرد. در مقاله حاضر، از الگوی خودتوضیح با وقفه‌های گسترده غیرخطی(NARDL) در دوره زمانی (1399:05:15-1398:11:30) استفاده شده است. نتایج نشان می‌دهد که در بلندمدت افزایش قیمت نفت، اثر معنی دار نامتقارن بر ارزش معامله بورس دارد. از سوی دیگر در کوتاه‌مدت میزان مبتلایان کووید-19 رابطه مثبت بدون معنی و شاخص رسانه ای ویروس کرونا رابطه منفی با معنی با ارزش معامله بورس دارد.
Forecasting the stock market in each period has been difficult and the value of stock trading has been affected by various factors. Among these factors have been the oil and gas sector, especially in countries that depend on the revenue from their sales. On the other hand, the outbreak of Covid-19 pandemic has led to profound changes in both areas. Therefore, in this article, the relationship between oil prices and the Iranian stock market is examined with respect to the prevalence of the Corona pandemic. Understanding the behavior dynamics of the stock exchange value index can help to more accurately predict the future behavior of this variable. Accordingly, the main purpose of this paper is to analyze the asymmetric relationship between oil prices, as well as the simultaneous impact of the corona pandemic news and the rate of corona virus infection on the value of the Iranian stock exchange. In the present paper, nonlinear Autoregressive Distributed Lag (NARDL) in the time period (1399: 05: 15-1398: 11: 30) has been used. The results show that in the long run, rising oil prices have a significant asymmetric effect on stock exchange value. On the other hand, in the short run, the rate of Covid-19 patients has a positive relationship without meaning and the Covid-19 media index has a negative relationship with meaning with the value of stock exchange trading.
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بررسی ارتباط نامتقارن قیمت نفت و پاندمی کووید- 19 با ارزش معامله در بورس اوراق بهادار / معصومه دادگر و همکاران
213 دوره 12 / پیاپی 47 / پائیز 1402
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