USA HISTORY

Detailed explanation-1: -A monopoly implies an exclusive possession of a market by a supplier of a product or a service for which there is no substitute. In this situation the supplier is able to determine the price of the product without fear of competition from other sources or through substitute products.

Detailed explanation-2: -A monopoly is when one company and its product dominate an entire industry whereby there is little to no competition and consumers must purchase that specific good or service from the one company. An oligopoly is when a small number of firms, as opposed to just one, dominate an entire industry.

Detailed explanation-3: -Antitrust. By virtue of the Sherman Antitrust Act of 1890, the US government can take legal action to break up a monopoly. In 1902, President Theodore Roosevelt used the Sherman Antitrust Act as a basis for trying to break up the monopolization of railway service in the United States.

Detailed explanation-4: -A monopoly is a firm who is the sole seller of its product, and where there are no close substitutes. An unregulated monopoly has market power and can influence prices. Examples: Microsoft and Windows, DeBeers and diamonds, your local natural gas company.