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 ...

Macroeconomics studies an overall economy or market system, its behaviors, the factors that drive it, and how to improve its performance.

Variable costs are business expenses that change when production volumes change. They differ from fixed costs, which remain constant if production volume rises or falls. The most common forms of ...