John Egan is a veteran personal finance writer whose work has been published by outlets such as Bankrate, Experian, Newsweek Vault and Investopedia. Michael Adams is a former Cryptocurrency and ...

The world of microeconomics and business decision-making hinges upon a key concept: marginal cost. In the simplest terms, marginal cost represents the expense incurred to produce an additional unit of ...

What Is Inflation-Adjusted Pricing? Inflation can erode the purchasing power of money, but adjusting prices for inflation can indicate how the value of money has changed over time. A million dollars ...

The A1C test measures blood sugar management over 2 or 3 months. To estimate an A1C, clinicians may use an estimated average glucose (eAG) to help people with diabetes better understand how this multi ...

When we put our money in the market, or before we even do, one of the biggest questions we have is: How long will it take for this investment to really grow? Luckily, there's a mathematical shortcut ...

Every thriving business relies on a robust return on investment (ROI) to help gauge whether its investments are yielding a profit. Although you as an individual investor possess shallower pockets than ...

Reporting taxes, applying for a loan and making a new company budget will require you to know how much money you bring in each year. Annual income is one of the most valuable metrics for quick, ...

The nominal U.S. corporate tax rate is 35%, but relatively few companies pay the full amount. The portion of profits a company actually owes is known as its effective tax rate. There are a number of ...

Your car starts to depreciate once you drive it off the dealership and will continue to lose its value over the years. However, the value significantly drops after an accident, even if you get the ...

When the time comes to monitor emergence and development, consider the role heat measurement standards called growing degree days (GDDs), or growing degree units, play in the process. People think in ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...

After years of paying into the Social Security system, many seniors are surprised to learn that the benefits they receive after retirement may be subject to federal income tax. This is generally ...