money market funds: mutual funds that use the
resources of their investors to buy money-market
certificates. Funds that put their money in short-term
investments. Considered pretty safe because the funds
invest in such things as U.S. government securities and
bank certificates of deposit.
money market: market for short-term credit
instruments such as Treasury bills.
money: can be anything that is generally accepted in
payment for goods and services.
monopolist: seller who controls the supply of a good or a
service.