The reason why the financial crisis has spread to the whole world is largely because each economy has experienced an "economic prosperity" period of 6 to 7 years of extraordinary expansion in financial scale, unprecedented development of financial innovation and its financial derivatives. Under this model, the prices of various assets are constantly and irrationally pushed up. The key to managing the crisis is to return various assets that have been speculated to high prices to their reasonable price levels. A period of asset depreciation is inevitable This is a "debt repayment" for past rapid appreciation. The exact summary of this text is:. ['Proactive fiscal policy and appropriate loose monetary policy should be adopted to stimulate the economy.', 'Stimulate the economy and squeeze the "bubble".', 'The goal of stimulating the economy is to make the economy work properly.', 'Maintaining high levels of asset prices through government action or government advocacy.']