The combination of currency in circulation, banks' reserve deposits at the central bank, and coins issued by the Treasury is referred to as the:（）

单项选择题Which of the following items is least likely to be included in the monetary base（）

A. Commercial checking deposits.
B. Federal Reserve notes.
C. Coins issued by the Treasury.

单项选择题Unemployment compensation is an example of:（）

A. a discretionary fiscal policy stabilizer.
B. an automatic fiscal policy stabilizer.
C. an automatic monetary policy stabilizer.