This dissertation thesis examines the profitability determinants of commercial banks in Greece and Balkans, by creating an unbalanced panel dataset of 115 commercial banks over a period of six years (2005-2010). The latter is separated into two sub-periods; the pre-crisis period (2005 – 2007) and the crisis and post-crisis period (2008 – 2010). The core aim of this study is to analyze the effects of the world financial crisis on banks‟ profitability determinants. We employ in our analysis bank-specific variables, such as growth of gross loans, and macroeconomic determinants, like the gross national savings that both have not been examined by previous studies. Our results indicate that the impact of the examined variables on banks‟ profitability is not always the expected one and differentiate between the two periods because of the changing financial conditions. We find a positive relationship between the determinants of bank-size and the equity over total assets ratio with banks‟ profitability. Yet, the variable of bank-size is statistically significant only for the crisis period, while the equity to total assets is significant in both periods. Regarding the macroeconomic variables, only this of gross national savings is significant during financial crisis. However, it appears to have a positive relationship with ROAA, for the pre-crisis period, while it has a negative one for the crisis/post-crisis period.
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