The current dissertation aims to analyze the impact of the European Union law on the measures employed by the EU Member States during the global financial crisis 2007-2010, and the new provisions introduced since its outbreak. The study highlights the main dysfunctions of the regulatory system that led to the crisis, gives a detailed description of the support measures implemented and the amounts incurred by public authorities in the European Union. This thesis also examines the regulatory reforms designed to fill in the gaps that the recent crisis has drawn attention to.