This C tutorial explains how to use the #define preprocessor directive in the C language. In the C Programming Language, the #define directive allows the definition of macros within your source code. These macro definitions allow constant values to be declared for use throughout your code. Macro definitions are not variables and cannot be changed by your program code like variables.
Price Ceilings. If the price ceiling is above the market price, then there is no direct effect. If the price ceiling is set below the market price, then a shortage is created; the quantity demanded will exceed the quantity supplied. The shortage may be resolved in many ways.
DEFINITION of 'Quantity Supplied'. A term used in economics to describe the amount of goods or services that are supplied at a given market price.Graphically, the amount of goods or services supplied lies at any point along the supply curve in a price versus quantity plane.The rate at which the amount supplied changes in response to changes in prices is called the price elasticity of supply.raphically, the amount of goods or services supplied lies at any point along the supply curve in a price versus quantity plane. The rate at which the amount supplied changes in response to changes in prices is called the price elasticity of supply.