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Investigating the monetary policy risk channel based on the dynamic stochastic general equilibrium model: Empirical evidence from Iran

Author

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  • Pejman Peykani
  • Mostafa Sargolzaei
  • Amir Takaloo
  • Negin Sanadgol

Abstract

Investigating the credit channel and monetary policy risk channel in Iran’s economy is the aim of this article. According to empirical studies, expansionary monetary policy increases the risk of banks, and on the other hand, the risk of banks affects economic activities and price levels. In order to investigate the mechanism of the credit channel and the risk channel (as a new channel), the effect of monetary policy on real variables and price levels in Iran’s economy, the Dynamic Stochastic General Equilibrium (DSGE) model has been used by entering the information of the banking system and considering moral hazard and adverse choices. The obtained results show that there is a credit channel and a monetary policy risk channel for Iran’s economy, and the expansionary monetary policy shock causes output, inflation, private sector consumption, investment, net worth in the economy and lending to increase. Also, when a credit shock occurs, with the increase in banks’ lending power, production, private sector consumption, investment, net worth and total lending increase and the inflation level decreases. Also, by applying the risk shock caused by the increase in inflation and the decrease in consumption and investment, the volume of lending increases and the level of production does not change much.

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  • Pejman Peykani & Mostafa Sargolzaei & Amir Takaloo & Negin Sanadgol, 2023. "Investigating the monetary policy risk channel based on the dynamic stochastic general equilibrium model: Empirical evidence from Iran," PLOS ONE, Public Library of Science, vol. 18(10), pages 1-28, October.
    • Handle: RePEc:plo:pone00:0291934
    DOI: 10.1371/journal.pone.0291934
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