At the heart of economics lies a deceptively simple idea that shapes everything from market strategy to personal growth: marginal value theory. Those who adhere to it insist that when making decisions ...

Robert Kelly is managing director of XTS Energy LLC, and has more than three decades of experience as a business executive. He is a professor of economics and has raised more than $4.5 billion in ...

Economic theory tells us that, in a perfectly competitive labor market, labor should be paid according to its “marginal product.” Now, without the jargon: The last workers to be hired by a business ...

Getting every advantage possible in your business is important. Using proper analytical techniques and up-to-date business theory will help your business succeed. Economic principles, especially ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Erika Rasure is globally-recognized as a leading consumer economics subject ...

If you buy something from a Verge link, Vox Media may earn a commission. See our ethics statement. is editor-in-chief of The Verge, host of the Decoder podcast, and co-host of The Vergecast. Bill ...