What is a variable cost? Variable cost is a business expense which is subject to change when sales volumes change. This could mean that variable costs either increase or decrease depending on a ...

Get the latest news and market analysis from our in-house experts. Unlike variable cost which is subject to change depending on volume of a product or service provided, fixed costs are those which do ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

A record structure that holds fields of varying lengths. For example, PAT LOPEZ would take nine bytes and GEORGINA ALLISON BARTHOLOMEW would take 28 plus a couple of bytes that define the length of ...

A variable star is, quite simply, a star that changes brightness. A star is considered variable if its apparent magnitude (brightness) is altered in any way from our perspective on Earth. These ...