The Federal Reserve is the governing body responsible for the conduct of US monetary policy, which is the conduct of interest rate policy and the decision to sell or buy debt securities in the open market.
The purchase and sale of securities is a decision that is up to the Federal Open Market Committee, which is a body specializing in this type of monetary policy. According to studies and perception of the economic scenario, the Federal Open Market Committee buys / sells securities to inject / decrease the amount of currency in circulation in the economy and thus to keep inflation under control and the healthy economic environment.
