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 ...

Marginal revenue measures extra income from producing one more unit. Compare marginal revenue and cost to decide on production adjustments. Track marginal revenue changes to set optimal production and ...

Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

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 ...