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 ...

In micro-economic textbooks, the main factor assumed to affect the quality of a market is the number of sellers. A single seller, termed a monopolist, is the worst because that seller has maximum ...

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.