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.
Report Abuse. Price ceiling (maximum) can result in a shortage because the price may be artificially low. Market demand is the overall demand for a product or service. It doesn't really change in terms of volume but it will if the price is too low or too high.rice ceiling (maximum) can result in a shortage because the price may be artificially low. Market demand is the overall demand for a product or service.