بررسی تاثیر بانکداری سایه بر انتقال سیاست پولی در ایران با استفاده از رویکرد DSGE

نوع مقاله : مقاله پژوهشی

نویسندگان

1 گروه اقتصاد، دانشگاه سیستان و بلوچستان، زاهدان، ایران

2 دانشیار، گروه اقتصاد، دانشگاه سیستان و بلوچستان، زاهدان، ایران

3 استاد اقتصاد، پژوهشکده اقتصاد، پژوهشگاه علوم انسانی و مطالعات فرهنگی، تهران، ایران.

10.22084/aes.2025.30883.3788

چکیده

شناخت دقیق مکانیزم‌های انتقال سیاست پولی و عوامل موثر بر آن، به منظور اجرای موفق یک سیاست پولی امری ضروری است. بدلیل فعالیت بانکداری سایه در نظام مالی ایران، سوال اصلی این است که بانکداری سایه چه تاثیری بر انتقال (اثربخشی) سیاست پولی در ایران دارد؟ هدف مقاله حاضر بررسی تاثیر بانکداری سایه بر انتقال سیاست پولی در ایران است. برای این منظور از مدل تعادل عمومی پویای تصادفی استفاده شده است که در آن دو سناریوی اقتصاد بدون بانکداری سایه و اقتصاد با بانکداری سایه درنظر گرفته شده است. در هر سناریو، تاثیر دو سیاست پولی تغییر نرخ رشد عرضه پول و تغییر نرخ سود (بهره) بر متغیرهای تولید، سرمایه‌گذاری و تورم بررسی شده است. نتایج این پژوهش نشان می‌دهد که وجود بانکداری سایه در سیستم مالی، باعث تضعیف کانال اعتباری انتقال سیاست پولی شده و بر این اساس، تاثیر سیاست‌ پولی بر هر سه متغیر را کاهش می‌دهد.

کلیدواژه‌ها

موضوعات


عنوان مقاله [English]

The Impact of Shadow Banking on Transmission of Monetary Policy in Iran: a DSGE Model

نویسندگان [English]

  • Mehran Zarei 1
  • Marziyeh Esfandiari 2
  • Seyed Hossein Mirjalili 3
1 Department of Economics, University of Sistan and Baluchestan, Zahedan, Iran
2 Associate Professor, Department of Economics, University of Sistan and Baluchestan Assistant Professor ,Department of Economics, University of Sistan and Baluchestan,
3 Professor of Economics, Faculty of Economics, Institute for Humanities and Cultural Studies, Tehran, Iran.
چکیده [English]

Monetary policy is one of the most important tools for policymakers to influence macroeconomic variables, including production. However, implementing this policy sometimes has unintended consequences. Therefore, the effective implementation of monetary policy requires understanding the mechanisms of monetary policy transmission. Research following the 2008-2009 financial crisis indicates that the activity of shadow banking in the economy can disrupt the monetary policy transmission process and weaken its effectiveness. Examining Iran's financial system shows that shadow banking activity is rising. Therefore, the central issue of this paper is the impact of shadow banking on the transmission of monetary policy. We examined the effect of shadow banking on the transmission of monetary policy in Iran using a Dynamic Stochastic General Equilibrium(DSGE) model. We explored two scenarios: a financial system lacking shadow banking and one including shadow banking. In each scenario, we investigated the effects of two contractionary monetary policies — raising interest (profit) rates and decreasing the money supply growth— on Gross Domestic Product (GDP), investment, and inflation. The findings indicate that shadow banking undermines the monetary policy's impact on all three variables by weakening the credit channel of monetary policy transmission. Monetary policy is one of the most important tools for policymakers to influence macroeconomic variables, including production. However, implementing this policy sometimes has unintended consequences. Therefore, the effective implementation of monetary policy requires understanding the mechanisms of monetary policy transmission. Research following the 2008-2009 financial crisis indicates that the activity of shadow banking in the economy can disrupt the monetary policy transmission process and weaken its effectiveness. Examining Iran's financial system shows that shadow banking activity is rising. Therefore, the central issue of this paper is the impact of shadow banking on the transmission of monetary policy. We examined the effect of shadow banking on the transmission of monetary policy in Iran using a Dynamic Stochastic General Equilibrium(DSGE) model. We explored two scenarios: a financial system lacking shadow banking and one including shadow banking. In each scenario, we investigated the effects of two contractionary monetary policies — raising interest (profit) rates and decreasing the money supply growth— on Gross Domestic Product (GDP), investment, and inflation. The findings indicate that shadow banking undermines the monetary policy's impact on all three variables by weakening the credit channel of monetary policy transmission.

کلیدواژه‌ها [English]

  • Shadow Banking
  • Monetary Policy
  • Output
  • DSGE Model
  • Iran’s Economy