Η συγκέντρωση του τραπεζικού συστήματος - υπάρχουν κοινές τάσεις?
Banking system concentration - are there any common trends?

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Subject
Τράπεζες και τραπεζικές εργασίες -- Ανταγωνισμός ; Τράπεζες και τραπεζικές εργασίες -- Διοίκηση και οργάνωση ; Κεφαλαιαγορά ; Χρηματοπιστωτικό σύστημαAbstract
In this study we try to analyze the concentration of the banking system and common trends which are created. In the research were used data from the World Bank and more specific data for 23 OECD countries. Our data relate to the period from 1992 to 2011 and was analyzed the bank concentration of the banking system for each country. We concluded that there is no convergence for the countries in total, but there are some groups of these countries which demonstrate common trends. The algorithm used was the one of Philips & Sul (2007) to control convergence and examining the variables related to convergence groups.