The narrowest definition of money, includes only the stock of physical currency.
Includes demand deposits (checking account balances) + M0 (stock of physical currency).
Time deposits + M1 (demand deposits + stock of physical currency).
The increase in the money supply resulting from the ability of banks to loan deposits; the value is equal to the reciprocal of the prevailing reserve ratio or 1/R, where R is the reserve ratio.
The required amount of depository liabilities as set by the Fed that a bank must hold, typically quoted as a percentage.
A portion of deposits required to be held by a bank; reserves usually are kept to maintain reserve requirements, as set by the Fed.