So the Fed does not set the fed funds rate. The fed funds rate is a market determined rate negotiated between the lenders and borrowers in the fed funds market. So the fed funds rate is the rate that banks charge to lend overnight funds to another one. so this is a bank to bank transaction kaya hindi si federal ang nagsasaad ng kanilang interesting so it is negotiable or negotiated between the lender and borrower. The only an interest rate that is set by the federal is the discount rate, the interest rate that the fed charges bank that want to borrow from the fed. One of the most important powers of the fed is its ability to control the monetary base, by controlling the monetary base the fed is able to control the money supply. The components of monetary base: vault cash and reserve balances; They are the only asset that fifinancial institution can use to satisfy reserve requirements requirements. By controlling the monetary base the federal can control the total amount of assets that fifinancial institution can use to meet their reserved requirements. The federal reserve uses its power over this reserve to control the amount of money outstanding in the country. M2 - is composed of m1 plus savings deposit money, market deposit, overnight repurchase agreement, euro dollars and so on.. Value of Money is its purchasing power. You can buy less with a given amount of money hence there is a loss of purchasing power.