OPEC (Organization of Petroleum Exporting Coun- tries): a cartel of crude-oil producing countries formed to
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regulate the production and prices of petroleum on
international markets.
open (or public) corporation: one whose stock is sold
to the public.
Open Market Committee: agency of the Federal
Reserve that regulates the nation's money supply.
open shop: a business open equally to union and nonu-
nion workers.
open-end fund: mutual fund that doesn't limit its
number of shares.
open-market operations: refer to the purchase and
sale of government securities by the Fed's Open Market
Committee.
opportunity cost: the amount of goods and services that
must be given up in order to obtain other goods and services.
option: the right to buy or sell stock at a given price
within a certain period of time. Options are often traded.
