This e-book of Studies in Economics and Finance addresses the major aspects of the global financial crisis and its prospective paradigm shift as the accepted papers analyze the evolution of the crisis, its causes, stock market volatility and its spillover effects on global economy, the corrective policy actions including macroeconomic policy changes that were put in place, regulating CRAs, in order to assess whether the prerequisite for a "complete change" is present so to achieve a genuine paradigm shift on the matter.