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An old wine in new shari'a compliant bottles? A time-frequency wavelet analysis of the efficiency of monetary policy in dual financial systems

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  • Amine Ben Amar

    (PSL, Université Paris Dauphine, LEDa-SDFi)

Abstract

Understanding the interrelationships between Islamic and conventional banks in dual financial systems is crucial for monetary policy decision makers. Using the wavelet coherence approach, this paper empirically investigates the dependency between the LIBOR and an Islamic benchmark rate, namely the IIBR (Islamic Interbank Benchmark Rate). This approach allows us to study the dynamics of the relationship between the LIBOR and the IIBR in the time-frequency space, then, to analyze to which extent Islamic financial institutions react to interest rate and, finally, to conclude whether the presence of Islamic banks enhance (or not) the efficiency of monetary policy. The result suggests not only that Islamic and conventional banks are alike, in terms of their business model, but also that Islamic banks react to changes in interest rates with some delay, which may affect the effectiveness of the monetary policy transmission mechanism.

Suggested Citation

  • Amine Ben Amar, 2018. "An old wine in new shari'a compliant bottles? A time-frequency wavelet analysis of the efficiency of monetary policy in dual financial systems," Economics Bulletin, AccessEcon, vol. 38(1), pages 558-564.
    • Handle: RePEc:ebl:ecbull:eb-17-01018
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    References listed on IDEAS

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    1. Nejib Hachicha & Amine Ben Amar, 2015. "Does Islamic bank financing contribute to economic growth? The Malaysian case," International Journal of Islamic and Middle Eastern Finance and Management, Emerald Group Publishing Limited, vol. 8(3), pages 349-368, August.
    2. Mariam El Hamiani Khatat, 2016. "Monetary Policy in the Presence of Islamic Banking," IMF Working Papers 2016/072, International Monetary Fund.
    3. Muhammad S Al-Jasser & Ahmed Banafe, 2002. "The development of debt markets in emerging economies: the Saudi Arabian experience," BIS Papers chapters, in: Bank for International Settlements (ed.), The development of bond markets in emerging economies, volume 11, pages 178-182, Bank for International Settlements.
    4. Aguiar-Conraria, Luís & Azevedo, Nuno & Soares, Maria Joana, 2008. "Using wavelets to decompose the time–frequency effects of monetary policy," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 387(12), pages 2863-2878.
    5. Abid, Fathi & Kaffel, Bilel, 2018. "Time–frequency wavelet analysis of the interrelationship between the global macro assets and the fear indexes," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 490(C), pages 1028-1045.
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    Cited by:

    1. Amine Ben Amar, 2019. "The Effectiveness of Monetary Policy Transmission in a Dual Banking System: Further Insights from TVP-VAR Model," Economics Bulletin, AccessEcon, vol. 39(4), pages 2317-2332.
    2. Amine Ben Amar, 2022. "On the role of Islamic banks in the monetary policy transmission in Saudi Arabia," Eurasian Economic Review, Springer;Eurasia Business and Economics Society, vol. 12(1), pages 55-94, March.
    3. Amine Ben Amar & Jean‐Étienne Carlotti, 2021. "Who drives the dance? Further insights from a time‐frequency wavelet analysis of the interrelationship between stock markets and uncertainty," International Journal of Finance & Economics, John Wiley & Sons, Ltd., vol. 26(1), pages 1623-1636, January.

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    More about this item

    Keywords

    Islamic banks; conventional banks; IIBR; LIBOR; wavelet coherence.;
    All these keywords.

    JEL classification:

    • E5 - Macroeconomics and Monetary Economics - - Monetary Policy, Central Banking, and the Supply of Money and Credit
    • G2 - Financial Economics - - Financial Institutions and Services

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