دوره 10، شماره 35 - ( 1-1398 )                   سال10 شماره 35 صفحات 68-39 | برگشت به فهرست نسخه ها


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1- دانشگاه مازندران ، bajelanaliakbar@yahoo.com
2- دانشگاه مازندران
چکیده:   (3507 مشاهده)
هدف مقاله حاضر بررسی اثرات نامتقارن شوک¬های مثبت و منفی تورم بر نااطمینانی تورم در کوتاه¬مدت و بلندمدت است. بدین منظور، ابتدا الگوی بال (1992) از طریق تجزیه شوک¬های تورمی به شوک¬های مثبت و منفی تقاضای پول و شوک¬های مثبت و منفی عرضه پول بسط داده شده است. سپس با استفاده از الگوی خودرگرسیونی با وقفه¬های توزیع شده غیر خطی و استفاده از داده¬های سری زمانی اقتصاد ایران برای دوره 1357 تا 1396 اثر شوک¬های مثبت و منفی تورم در کوتاه¬مدت و بلندمدت بر نااطمینانی تورم که از الگوی خودرگرسیون واریانس شرطی تعمیم یافته نمایی استخراج شده¬ است، مورد بررسی و تجزیه و تحلیل قرار گرفته است. نتایج حاصل از این پژوهش نشان دهنده این است که اثر شوک-های مثبت تورم بر نااطمینانی تورم در کوتاه¬مدت و بلندمدت مثبت و معنادار است؛ در مقابل، شوک¬های منفی تورم اثری بر نااطمینانی تورم در کوتاه¬مدت و بلندمدت نداشته است؛ به عبارت دیگر، افزایش تورم موجب افزایش نااطمینانی تورم در ایران شده است؛ در حالی که کاهش تورم چنین اثری بر نااطمینانی تورم نداشته است.
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نوع مطالعه: كاربردي | موضوع مقاله: سایر
دریافت: 1397/8/9 | پذیرش: 1398/2/10 | انتشار: 1398/3/20

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