e. Quantitative easing (QE) is an unconventional monetary policy in which the Fed purchases secu- rities, such as long-term government bonds and mortgage backed securities, from the commercial banks in order to inject liquidity into the circulation. To deal with the Great Recession of 2008, the Fed first used the conventional open market operation and then unconventional QE. State how QE could help the economy to recover from the Great Recession of 2008 in the short run