The Business Cycle How will you weather the ups and downs of the business cycle? Share | Related Content The Rule of 72 Do you know how long it may take for your investments to double in value? The Rule of 72 is a quick way to figure it out. How the Federal Reserve Works Each day, the Fed is behind the scenes supporting the economy and providing services to the U.S. financial system. Impact of Taxes and Inflation Estimate the potential impact taxes and inflation can have on the purchasing power of an investment.