Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Robert Kelly is managing director of XTS Energy LLC, and has more than three ...

It is one of the basic principles taught to students studying economics. Introduced by Lord Alfred Marshall, it forms a crux in the micro-economic level often reflected in routine, day-to-day life.

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 ...

You don't need to have studied economics to be familiar with the law of diminishing marginal utility and the idea of consumer surplus. The first has to do with the benefit consumers get from their ...

If you’re shopping for a new dishwasher, you might be thrilled to save a few hundred bucks on a model you like during a big sale. But there’s almost no chance that you would buy the same dishwasher ...

Here at the Olin Business School at Washington University in St. Louis - just recently ranked the top undergraduate business program in America - it's that time of year for students to start cramming ...

This is not an argument for more quantitative easing, or QE3, as it would inevitably be called. Instead, this is about the logic of the argument for more quantitative easing. It is intended as a ...