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supply and demand

(Encyclopedia)supply and demand, in classical economics, factors that are said to determine price, by correlating the amount of a given commodity producers hope to sell at a certain price (supply), and the amount o...

demand and supply

(Encyclopedia)demand and supply: see supply and demand. ...

water supply

(Encyclopedia)water supply, process or activity by which water is provided for some use, e.g., to a home, factory, or business. The term may also refer to the supply of water provided in this way. In the United Sta...

money supply

(Encyclopedia)money supply: see money.

supply-side economics

(Encyclopedia)supply-side economics, economic theory that concentrates on influencing the supply of labor and goods as a path to economic health, rather than approaching the issue through such macroeconomic concern...

biochemical oxygen demand

(Encyclopedia)biochemical oxygen demand: see sewerage. ...

puts and calls

(Encyclopedia)puts and calls, in securities trading. A call is a contract that gives the holder the right to purchase a given stock at a specific price within a designated period of time. It is the opposite of a pu...

tar and pitch

(Encyclopedia)tar and pitch, viscous, dark-brown to black substances obtained by the destructive distillation of coal, wood, petroleum, peat, and certain other organic materials. The heating or partial burning of w...

reservoir

(Encyclopedia)reservoir rĕzˈəvôr, –vwär [key], storage tank or wholly or partly artificial lake for storing water. Building an embankment or dam to preserve a supply of water for irrigation is an ancient pra...

Debreu, Gerard

(Encyclopedia)Debreu, Gerard dəbro͞oˈ [key], 1921–2005, French-American economist, b. Calais, France. He studied mathematics in France before coming to the United States in 1950, where he worked with the Chica...