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بررسی علیت و سرریز نوسانات بین نرخ ارز، تورم و نقدینگی در اقتصاد ایران: رویکرد Tvp-Var-Bk
[Volatility Causality and Spillovers between Exchange Rate, Inflation, and Liquidity in the Iranian Economy: A TVP VAR BK Approach]

Author

Listed:
  • Roudari, Soheil
  • Arabi, Seyed Hadi
  • Rahimi Kahkashi, Sanaz

Abstract

Today, any fluctuation in one sector quickly transmits to other sectors of the economy. The aim of this study is to examine the transmission and reception of shocks, as well as the causal relationship of volatility spillovers, with attention to the time scale at which fluctuations occur among liquidity, the exchange rate, and inflation in Iran over the period 1982:03 to 2022:09 (1361:01–1401:07), using monthly data and a Time Varying Parameter Vector Autoregressive model with frequency domain spillover measures (TVP VAR BK). The findings indicate that most connections among the examined variables occur in the long run, with the exchange rate being the dominant factor in explaining volatility within the network. In the short run, liquidity acts as a net transmitter of volatility to inflation and the exchange rate, while in the medium and long run, the exchange rate becomes the net transmitter of volatility, and both inflation and liquidity serve as net receivers of exchange rate fluctuations. Moreover, the net impact of the exchange rate strengthens considerably in the long term. In practice, if exchange rate volatility is not controlled, it can transmit fluctuations to liquidity and, consequently, fuel inflationary instability—highlighting the critical role of exchange rate stability in managing liquidity and inflation dynamics.

Suggested Citation

  • Roudari, Soheil & Arabi, Seyed Hadi & Rahimi Kahkashi, Sanaz, 2023. "بررسی علیت و سرریز نوسانات بین نرخ ارز، تورم و نقدینگی در اقتصاد ایران: رویکرد Tvp-Var-Bk [Volatility Causality and Spillovers between Exchange Rate, Inflation, and Liquidity in the Iranian Economy: A TVP VAR BK Approach]," MPRA Paper 127038, University Library of Munich, Germany, revised 20 Feb 2024.
    • Handle: RePEc:pra:mprapa:127038
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    References listed on IDEAS

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    Keywords

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    JEL classification:

    • G01 - Financial Economics - - General - - - Financial Crises
    • G17 - Financial Economics - - General Financial Markets - - - Financial Forecasting and Simulation
    • G32 - Financial Economics - - Corporate Finance and Governance - - - Financing Policy; Financial Risk and Risk Management; Capital and Ownership Structure; Value of Firms; Goodwill

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