Is Islamic Banking Effective on Conventional Banking? A Causality Analysis on the Case of Türkiye

Öz

Studies on the relationship between Islamic banking activities and the banking sector will contribute to the qualified growth of the finance field. In this paper, it has been evaluated whether the Islamic banking field affects the conventional banking field. The study aims to determine the causality relationship between the variables discussed in the case of Türkiye. Quarterly data for the period 2005:Q1-2022:Q2 were used in the study. A modified version of the Granger causality test proposed by Toda and Yamamoto was used to investigate causality between variables. The study reveals the causality between Islamic banking participation fund and fund disbursement volume and traditional banking deposit volume. The results of the analysis reveal that the deposit and loan volume of Islamic banks is effective on the volume of conventional banks deposits (granger reason), while the volume of conventional banking deposits is also effective on the volume of Islamic banking participation funds (granger reason). This study, on the one hand, reveals the importance of participation banks in terms of the banking sector, and on the other hand, makes an important contribution to the literature in terms of considering the relationship between Islamic banks (participation banks) and conventional banks from a different perspective.

Anahtar Kelimeler

• Islamic banking
• Participation banking
• Conventional banking
• Banking
• Deposit
• Credit
• Toda–Yamamoto
• Causality test

İslami Bankacılık Konvansiyonel Bankacılık Üzerinde Etkili mi? Türkiye Örneği Üzerinden Bir Nedensellik Analizi

Öz

İslami bankacılık faaliyetleri ile bankacılık sektörü ilişkisine yönelik yapılacak çalışmalar finans alanının nitelikli büyümesine katkı sağlayacaktır. Bu çalışmada İslami bankacılık alanının konvansiyonel bankacılık alanı üzerinde bir etkisinin olup olmadığı değerlendirilerek, Türkiye örneği üzerinde ele alınan değişkenler arasındaki nedensellik ilişkisinin belirlenmesi amaçlanmaktadır. Çalışmada 2005:Q1-2022:Q2 dönemine ait üç aylık veriler kullanılmıştır. Değişkenler arasındaki nedenselliği araştırmak için Toda ve Yamamoto tarafından önerilen Granger nedensellik testinin değiştirilmiş bir versiyonu kullanılmıştır. Çalışma İslami bankacılık katılım fonu ve fon kullandırma hacmi ile konvansiyonel bankacılık mevduat hacmi arasındaki nedenselliği ortaya koymaktadır. Analiz sonuçları İslami bankalarının katılım fonu ve fon kullandırma hacminin konvansiyonel bankalar mevduat hacmi üzerinde etkili olduğunu (granger nedeni), aynı zamanda konvansiyonel bankacılık mevduat hacminin de İslami bankacılık katılım fon hacmi üzerinde etkili olduğunu (granger nedeni) göstermektedir. Çalışma elde edilen sonuçlarla bir taraftan bankacılık sektörü açısından katılım bankalarının önemini ortaya koymakta diğer taraftan İslami bankalar (katılım bankaları) ile konvansiyonel bankalar arasındaki ilişkiyi farklı bir perspektiften ele alarak literatüre önemli bir katkı sağlamaktadır.

Anahtar Kelimeler

• İslami bankacılık
• Katılım bankacılığı
• Konvansiyonel bankacılık
• Bankacılık
• Mevduat
• Kredi
• Toda–Yamamoto
• Nedensellik testi

Kaynakça

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