Recall the Application About the Fed's Expanded Involvement in the Economy

Multiple Choice

Recall the Application about the Fed's expanded involvement in the economy following the financial crisis in 2008 to answer the following question(s) .
-Recall the Application. Prior to the financial crisis in 2008, the Fed's traditional method of conducting monetary policy to expand the money supply was

A) purchasing Treasury securities.
B) purchasing mortgage-backed securities.
C) lowering reserve requirements.
D) raising the discount rate.