The recent Euro area crisis, which has originally been driven mainly by macroeconomic factors, has had a strong impact also on financial markets leading internationally to what is referred as contagion, that is co-movements among asset prices which have been excessive respect to fundamentals....

Economists have long debated the relationships between market structure of banking sector and the profitability. General consensus asserts that more concentrated market is associated with higher profitability: banks with higher market share generally achieve higher profits. This empirical...