The widely used risk measures as standard deviations and value at risk do not always reflect risk preferences accurately. To overcome this problem we show coherent risk approach. For making the overview of the problem of risk measure we propose a coherent risk measure approach. We started from...

The global financial crisis of the years 2008-2010 led to a situation, where long-term mistakes and negligence in the area of fiscal policy, on the one hand may threaten the financial stability of chosen economies of the European Union, as it is exemplified by the threat of bankruptcy of Greece,...