Which of the causes of the global financial crisis 2007-2008 below are regarded as fundamental which are self fulfilling? Why give a brief reasoning? 1-Loose monetary policy-low interest rates 2-Financial deregulation 3-New complex innovative financial products 4-U. S housing boom, subprime mortgages 5-Globalisation and the new US asia economic model 6-Ratings agencies Module: Financial crises and bank regulation