Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Somer G. Anderson is CPA, doctor of ...

There are four major market structures, which can tell us what the competitive landscape looks like.

Perfect competition, also known as pure competition, is an idealized market condition in which many sellers compete to offer the best prices, and large sellers have no advantages over smaller ones.