(FINANCE) when somebody buys a corporation using borrowed money ("leverage"), with the expectation that the new owner will able to pay for it from
the corporation's own profits.
Kohlberg Kravis and Roberts (KKR) developed the
LBO back when Jerome Kohlberg, Jr. and Henry Kravis were still partners at Bear Stearns (1960's). The technique was refined by Michael Milken's methods of underwriting and trading junk bonds. At the same time, corporate raiders and takeover artists like T. Boone Pickens perfected
greenmail as a way to make money from failed hostile takeovers.