Özet:

The purpose of this study is to Research the effects of concentration in the banking sector in Turkey on bank risk. As the period of the study, the years of 2010-2018 were considered. Data on the banking sector and the Banks Association of Turkey's Banking Regulation and Supervision Agency (BRSA) 'is taken from the official website. In the study, Ordinary Least Squares (OLS) and Mean Group Estimator model (MGE) was applied as a method of this study. In the result it was concluded that sectoral concentration in banking sector has effects on the credit risks and the more concentration increases, the less credit decreases.

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