Monopolies are quite common in business. If you offer a product or service that no one else has, then you possess a monopoly. In time, competitors probably will aim to match or improve upon your ...

Sean Ross is a strategic adviser at 1031x.com, Investopedia contributor, and the founder and manager of Free Lances Ltd. Erika Rasure is globally-recognized as a leading consumer economics subject ...

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 ...