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.
An Increase in the Quantity Supplied. The Quantity Supplied is an amount at a given price while Supply is the entire relationship between the various Quantities Supplied at a variety of prices. When the price increases from P1 to P2, the quantity supplied increases from Q1 to Q2. Changing the price leads to changes in the quantity supplied. Paying extra for overtime is a way to increase the quantity supplied. Supply is the relationship between Prices and Quantities Supplied.