Discover how quantity discounts lower per-unit costs for bulk purchases, their advantages like boosting sales, and potential downsides such as reduced profit margins.

Lita Epstein has 18+ years of experience as an author and financial writer. She has also written over 40 books. Yarilet Perez is an experienced multimedia journalist and fact-checker with a Master of ...

CR's lab tests and shopping tips will help you find what you want and let you know what you might want to avoid By Samantha B ...

If you purchase an independently reviewed product or service through a link on our website, Rolling Stone may receive an affiliate commission. The new iPhone 17 was released in four models — iPhone 17 ...

Estimate your retirement savings with NerdWallet's free 401(k) calculator. Enter your monthly contributions and employer match to get started. Many, or all, of the products featured on this page are ...

A utility function measures a consumer’s preference and satisfaction with different goods or services. As part of rational choice theory, it helps economists analyze how consumers make decisions to ...

Consumer Reports found carcinogens in all of the synthetic braiding hair samples we tested, which are frequently used by Black consumers, especially Black women and girls. It’s time for the FDA to ...

Measuring—and delivering—what consumers really want by Eric Almquist, John Senior and Nicolas Bloch When customers evaluate a product or service, they weigh its perceived value against the asking ...

Is innovation inherently a hit-or-miss endeavor? Not if you understand why customers make the choices they do. by Clayton M. Christensen, Taddy Hall, Karen Dillon and David S. Duncan For as long as we ...

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Attila covers software, apps and services, with a focus on virtual private networks. He's an advocate for digital privacy and has been quoted in online publications like Computer Weekly, The Guardian, ...