Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

A change in demand affects your sales and impacts your variable costs. As your sales grow, your variable costs increase. As your sales fall, your variable costs decrease. If you raise or lower your ...

Costs are a critical variable to consider when plotting business strategy. After all, if you can't recover the expenses required to create your product through revenue and profit, then the business ...