Hull's slick algorithms and quantitative models let it control a leading share of global electronic trading in equity options.

FORBES: Fear, Greed And Technology

These so-called quantitative traits are under the control of a number of different genes acting in concert as opposed to qualitative traits such as human eye colour, where a difference in a single gene produces a single, sharp distinction.

ECONOMIST: A genetic game of chicken

Developed-country governments have attempted to control bond yields through quantitative easing and to support stockmarkets through ultra-low interest rates.

ECONOMIST: Central banks and the bullion price

The approximate stand-still of global temperature during 1940-1975 is generally attributed to an approximate balance of aerosol cooling and greenhouse gas warming during a period of rapid growth of fossil fuel use with little control on particulate air pollution, but quantitative interpretation has been impossible because of the absence of adequate aerosol measurements.

FORBES: Yes! We Should Defund The U.N.'s Intergovernmental Panel On Climate Change

And, sadly, because Italy no longer has control of its currency it cannot print money (ie, do quantitative easing) in order to stop the money supply falling.

FORBES: Eurozone: The Italian Problem in One Picture