Learn what flow and stock variables mean in simple terms. Understand how income, wealth, GDP, and debt connect through time and why this matters in economics and everyday life.

Every business has operating expenses — that is, the costs of running the business. These expenses can generally be classified in two ways: Fixed expenses and variable expenses. Understanding the ...

Windows environment variables give system administrators access to a plethora of information about the Windows operating system. Separated into system and user-level scopes, default environment ...

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 ...

It has been said that there are only two difficult tasks in modern software development: distributed cache invalidation and how to name stuff. The following variable naming conventions won't assist ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Suzanne is a content marketer, writer, and ...

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 ...