Monopoly: Difference between revisions

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*Carnegie Steel Company (1900).<ref>{{Cite web |title=The Founding of U.S. Steel and the Power of Public Opinion |url=https://www.library.hbs.edu/us-steel/exhibition/the-founding-of-u.s.-steel-and-the-power-of-public-opinion |website=Harvard Business School}}</ref>
*Carnegie Steel Company (1900).<ref>{{Cite web |title=The Founding of U.S. Steel and the Power of Public Opinion |url=https://www.library.hbs.edu/us-steel/exhibition/the-founding-of-u.s.-steel-and-the-power-of-public-opinion |website=Harvard Business School}}</ref>
*De Beers Group:
*De Beers Group:
:Established by Cecil Rhodes in 1888.They have faced numerous allegations throughout its history. He purchased the remaining mines and diamonds from other companies, nearly 85% of the diamond market fell into the hands of Da Beers Group. After 50 year long reign over the diamond market, it began to lose its control in the 1950s when new mines were discovered in other parts of the world. The company is responsible for 30% of diamond sales globally. The company has also been accused of limiting the supply of diamonds to manipulate its prices. had 90% market share in 1980 and 29% as of 2022.<ref>{{Cite web |last=Jaganmohan |first=Madhumitha |date=June 26, 2025 |title=Market share of the leading diamond mining companies worldwide in 2023 |url=https://www.statista.com/statistics/585450/market-share-of-diamond-supply-worldwide-by-producer/#:~:text=Market%20share%20of%20the%20leading%20diamond%20producers%20worldwide%202023&text=As%20of%202023%2C%20the%20Russian,global%20diamond%20production%20market%20share.|website=Statista}}</ref>
:Established by Cecil Rhodes in 1888.They have faced numerous allegations throughout its history. He purchased the remaining mines and diamonds from other companies, nearly 85% of the diamond market fell into the hands of Da Beers Group. It began to lose its control in the 1950s when new mines were discovered in other parts of the world. They are responsible for 30% of diamond sales globally and have been accused of limiting the supply of diamonds to manipulate its prices.<ref>{{Cite web |last=Jaganmohan |first=Madhumitha |date=June 26, 2025 |title=Market share of the leading diamond mining companies worldwide in 2023 |url=https://www.statista.com/statistics/585450/market-share-of-diamond-supply-worldwide-by-producer/#:~:text=Market%20share%20of%20the%20leading%20diamond%20producers%20worldwide%202023&text=As%20of%202023%2C%20the%20Russian,global%20diamond%20production%20market%20share.|website=Statista}}</ref>
*[[Google]].
*[[Google]].
*Luxottica.
*Luxottica.
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*[[Nvidia]] uses its market leader position to mislead consumers and threaten media.
*[[Nvidia]] uses its market leader position to mislead consumers and threaten media.
*Standard Oil (1900).
*Standard Oil (1900).
*[[AT&T|The American Telephone and Telegraph Company]] (AT&T) controlled telecommunications in America until 1982.<ref>{{Cite web |last=Whalley Curwen
*[[AT&T|The American Telephone and Telegraph Company]] (AT&T) controlled telecommunications in America until 1982.<ref>{{Cite web |last=Whalley |first=Jason |last2=Curwen |first2=Peter |date=February 2007 |title=Internationalization and De-internationalization in the Telecommunications Industry |url=https://scholarship.law.umn.edu/cgi/viewcontent.cgi?referer=&httpsredir=1&article=1235&context=mjlst |website=scholarship.law.umn.edu}}</ref>
|first=Jason Peter |date=February 2007 |title=Internationalization and De-internationalization in the Telecommunications Industry|url=https://scholarship.law.umn.edu/cgi/viewcontent.cgi?referer=&httpsredir=1&article=1235&context=mjlst |website= }}</ref>
*[[Ticketmaster Entertainment, LLC|Ticketmaster]] is often referred to as a monopoly of live events.
*[[Ticketmaster Entertainment, LLC|Ticketmaster]] is often referred to as a monopoly of live events.
*Tyson Foods.
*Tyson Foods.