Answer:
Federal reserve
Explanation:
The federal reserve bank is the central bank of United States and it is very much important for the United States money market. It controls the money supply in the economy of united states.
It uses various money market instruments are as follows:
(i) Open market operations
(ii) Reserve ratios
(iii) Bank rate, Repo rate, Reverse repo rate
The federal reserve also raise funds for the government of United states in case of emergency.