Answer
1 omo (open market operations)buying and selling of bonds.buy bonds, increase supply of money on the market (and vice versa)2 reserve ratio% of each deposit a bank is forced to keep in reserves.the higher the reserve ratio, the less money can be lent out, the lower money supply (and vice versa).3 discount raterate at which the central bank can lend to the commercial banks.increase the discount rate will tend to make commercial lending rates go up, or make banks more cautious in lending, decreasing money supply (and vice versa).4 minimum reserves% of assest banks must keep in liquid form.the higher the reserves, the lower can be lent out, the lower money supply (and vice versa)
