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.

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Thomas J. Brock is a CFA and CPA with more than 20 years of experience in various areas including investing, ...

Utility functions measure consumer preferences and satisfaction with goods or services. They help analyze consumer decisions to maximize satisfaction in rational choice theory. Economists and ...