Mary Hall is a editor for Investopedia's Advisor Insights, in addition to being the editor of several books and doctoral papers. Mary received her bachelor's in English from Kent State University with ...

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 ...

Perfect competition is a theoretical model with many buyers and sellers offering identical products. In this model, firms cannot influence prices and make zero long-term profit due to free entry and ...

Competition with other firms is a key aspect of running a business of any size, from a brand new venture to a large corporation. In competitive markets, companies have to fight over the business of ...

As a small-business owner, you're probably an avid reader of financial and economic news. And like many of your colleagues, you probably scratch your head over some of the headlines you read about ...

There’s a moment every trader experiences—often early, sometimes after a string of losses—when they realize price alone isn’t ...

The proposal of the Securities and Exchange Commission for market structure reform, like so many other recent SEC initiatives, seems entirely ad hoc. There are certainly good reasons for considering ...

Perfect competition in the market is a market structure wherein each participating company sells identical products, there are many buyers and sellers, and no barriers to entry or exit exist for stock ...