تأثیر تورم بر رشد اقتصادی در شرایط نااطمینانی کلان اقتصادی

نویسندگان
اعظم احمدیان 1
رضا اکبریان 2
1 پژوهشکده پولی و بانکی
2 دانشگاه خوارزمی
چکیده
امروزه اهمیت اثرپذیری رشد اقتصادی از تورم بر کسی پوشیده نیست. ادبیات موجود در جهان بیانگر دیدگاه‌های مختلف در مورد اثر تورم بر رشد اقتصادی است. به‌طوری‌که برخی از دیدگاه بر وجود رابطه مثبت، برخی از مطالعات بر وجود رابطه منفی تأکید داشته‌اند و برخی نیز اثر تورم بر رشد اقتصادی را خنثی دانسته‌اند. اقتصاد ایران در دهه‌های اخیر با شرایط تورمی مواجه بوده است که می‌تواند رشد اقتصادی را تحت تأثیر قرار دهد. نااطمینانی‌های موجود در اقتصاد کلان نیز می‌تواند اثر منفی تورم بر رشد اقتصادی را تشدید نماید. با توجه به اهمیت موضوع، در این مقاله آسیب‌پذیری رشد اقتصادی از تورم در شرایط نااطمینانی‌های کلان اقتصادی بررسی شده است. به همین منظور با بکارگیری داده‌های سری‌زمانی در دوره ۱۳۷۰-۱۴۰۱، پویایی‌های اثر تورم بر رشد اقتصادی با بکارگیری روش خودرگرسیونی با توزیع با وقفه بررسی شده است. از آنجا که تورم در سطوح و آستانه مختلف می‌تواند اثر متفاوتی بر رشد اقتصادی داشته باشد، اثر آستانه‌ای تورم با بکارگیری روش رگرسیون آ‌ستانه‌ای بررسی شده است. با توجه به اثر متفاوت تورم در شرایط نااطمینانی کلان، اثر تورم در سطح و در آستانه بر رشد اقتصادی یک بار با در نظر گرفتن شرایط نااطمینانی کلان اقتصادی و بار دیگر بدون در نظر گرفتن شرایط نااطمینانی کلان اقتصادی بررسی شده است. برای استخراج نااطمینانی کلان اقتصادی از روش ای گارچ استفاده شده است. در مدل‌های مورد بررسی مقاله، نااطمینانی نرخ ارز، نااطمینانی نقدینگی و نااطمینانی شاخص قیمت سهام مورد نظر بود است. یافته‌های مقاله بیانگر این است که تورم در سطح و بدون نااطمینانی کلان اقتصادی، اثر مثبت بر رشد اقتصادی دارد اما با در نظر گرفتن نااطمینانی کلان اقتصادی، تورم در سطح اثر منفی بر رشد اقتصادی دارد. همچنین در نظر گرفتن نااطمینانی کلان اقتصادی بیانگر این است که اثر منفی تورم بر رشد اقتصادی تشدید می‌شود.



کلیدواژه‌ها
تورم
رشد اقتصادی
روش خودرگرسیونی با وقفه توزیعی
روش رگرسیون آستانه‌ای
روش ای گارچ

عنوان مقاله English

The effect of inflation on economic growth in macroeconomic uncertainty

نویسندگان English

Azam Ahmadyan 1
reza akbarian 2
1 Monetary and banking research institute
چکیده English

Today, the importance of the effectiveness of economic growth on inflation is not hidden from anyone. The literature expresses different views about the effect of inflation on economic growth. Some studies have emphasized the existence of a positive relationship, some studies have emphasized the existence of a negative relationship, and some have considered the effect of inflation on economic growth to be neutral. In recent decades, Iranian economy has faced inflationary conditions that can affect economic growth. Macroeconomics uncertainties can also intensify the negative effect of inflation on economic growth. Considering the importance of the issue, in this article, the vulnerability of economic growth to inflation in the conditions of macroeconomic uncertainties is investigated. For this purpose, using time series data during 1370-1401, the dynamics of the effect of inflation on economic growth has been investigated, using the autoregression method with a distribution with an interval. Since inflation at different levels and thresholds can have a different effect on economic growth, the threshold effect of inflation has been investigated using the threshold regression method. Considering the different effect of inflation in macroeconomic uncertainty, the effect of inflation at the level and threshold on economic growth has been investigated once considering macroeconomic uncertainty and another time without considering macroeconomic uncertainty. E-GARCH method has been used to extract macroeconomic uncertainty. In the models examined in the article, uncertainty of exchange rate, uncertainty of liquidity and uncertainty of stock price index were considered. The findings indicate, inflation at the level without macroeconomic uncertainty has a positive effect on economic growth, but taking macroeconomic uncertainty into account, inflation at the level has a negative effect on economic growth. Also, considering macroeconomic uncertainty indicates that the negative effect of inflation on economic growth is intensified.

کلیدواژه‌ها English

Inflation
Economic Growth
Autoregressive Distributed lag
threshold regression method
EGARCH method
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