How could the “Great Recession” have been prevented?

The impact of drug legalization on the economy – Using economics, how would you fix the homeless problem in California? – Is the bullet train viable in California? – How do interest rates affect consumers and their purchasing patterns – How could the “Great Recession” have been prevented? – Countries that do not believe in comparative advantage – How could the Federal Government reduce the national debt? – If you were the President of the U.S. what would you do to improve the economy? – Which presidential candidate will have the most profound impact on the economy?