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.

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 ...

The law of marginal utility states that customer satisfaction decreases with each unit purchased. So, the more your customers purchase, the less satisfaction they get from each additional purchase. If ...

Andriy Blokhin has 5+ years of professional experience in public accounting, personal investing, and as a senior auditor with Ernst & Young. In microeconomics, utility represents a way to relate the ...