نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری، گروه علوم اقتصادی، دانشکده اقتصاد و مدیریت، دانشگاه تبریز، تبریز، ایران.

2 استاد، گروه علوم اقتصادی، دانشکده اقتصاد و مدیریت، دانشگاه تبریز، تبریز، ایران.

3 دانشیار، گروه علوم اقتصادی، دانشکده اقتصاد و مدیریت، دانشگاه تبریز، تبریز، ایران.

چکیده

هدف این مطالعه بررسی سرریز شوک بازارهای موازی در نوسانات بازار بورس؛ شواهدی از کشورهای عضو اوپک است. برای این منظور اطلاعات دوره 2010-2020 و الگوی تصحیح خطای برداری مورد استفاده قرار گرفته است. نتایج میان مدت مطالعه نشان می‌دهد که: تابع سرریز نوسان به ازای افزایش قیمت نفت ابتدا کاهش و سپس افزایش می‌یابد همچنین به ازای افزایش نرخ رشد اقتصادی، با عدم تغییر روبرو بوده و همچنین با شوک نرخ ارز، ابتدا با شیب متوسط سپس با شیب ملایم بهبود می‌یابد. براساس نتایج تجزیه واریانس، به ترتیب تغییرات خود سرریز نوسان و سپس قیمت نفت بیشترین تاثیر را نسبت به سایر متغیرها در تغییرات تابع سرریز نوسان داشته اند. براساس نتایج بلند مدت مطالعه: تابع سرریز نوسان نسبت به تغییرات قیمت نفت واکنش چندانی نداشته وهمچنین نسبت به تغییرات نرخ رشد اقتصادی ابتدا با شیب زیاد و سپس با شیب ملایم افزایش و همچنین با شوک نرخ ارز، با عدم تغییر روبرو بوده است. همچنین براساس نتایج تجزیه واریانس، سرریز نوسان نسبت به خود سرریز نوسان و رشداقتصادی حساسیت بسیار بالایی دارد تا نسبت به سایر متغیرهای توضیحی.

کلیدواژه‌ها

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