Editing Oligopoly (section)

=== North America ===

==== Canada ====
{{See also|Big Five banks of Canada}}
In Canada, [[List of supermarket chains in Canada|supermarkets]] have been identified as oligopolistic, largely falling under only three chains.<ref>{{cite web |last1=Padraig |first1=Moran |title=Soaring food prices, record profits prompt questions about Canada's 'cosy oligopoly' |url=https://www.cbc.ca/radio/thecurrent/canada-food-price-profits-1.6629854 |website=www.cbc.ca |publisher=[[CBC News]] |access-date=19 September 2023}}</ref><ref name="riegler-wealthsimple">{{cite web |last1=Rieger |first1=Sarah |title=Is Canada Just Three Monopolies in a Trench Coat? |url=https://www.wealthsimple.com/en-ca/magazine/canada-monopolies |website=www.wealthsimple.com |publisher=[[Wealthsimple Magazine]] |access-date=19 September 2023 |language=en |date=12 February 2023 |archive-date=20 October 2023 |archive-url=https://web.archive.org/web/20231020034343/https://www.wealthsimple.com/en-ca/magazine/canada-monopolies |url-status=live }}</ref> Other industries identified as oligopolistic include [[Banking in Canada|banks]], [[Telecommunications in Canada|telecommunications]], and [[airlines]].<ref name="riegler-wealthsimple" />

==== United States ====
In the United States, industries that have identified as oligopolistic include [[food processing]],<ref name="LopezHeAzzam">{{cite journal | doi=10.1111/1477-9552.12219 | title=Stochastic Frontier Estimation of Market Power in the Food Industries | year=2018 | last1=Lopez | first1=Rigoberto A. | last2=He | first2=Xi | last3=Azzam | first3=Azzeddine | journal=Journal of Agricultural Economics | volume=69 | pages=3–17 }}</ref> [[funeral service]]s,<ref>{{cite journal |last1=Lares |first1=Jennifer DiCamillo |last2=Lehenbauer |first2=Kruti |title=Funeral Services: The Silent Oligopoly: An Exploration of the Funeral Industry in the United States |journal=RAIS Journal for Social Sciences |date=21 November 2019 |volume=3 |issue=2 |pages=18–28 |url=https://journal.rais.education/index.php/raiss/article/view/72}}</ref> [[sugar refining]],<ref>Alfred S. Eichner, ''The Emergence of Oligopoly: Sugar Refining as a Case Study'' (Johns Hopkins University Press, 2019).</ref> [[beer|beer making]],<ref>Nathan H. Miller, Gloria Sheu & Matthew C. Weinberg, [https://www.ftc.gov/system/files/documents/public_events/1494697/weinbergmillersheu.pdf Oligopolistic Price Leadership and Mergers: The United States Beer Industry] {{Webarchive|url=https://web.archive.org/web/20200521142839/https://www.ftc.gov/system/files/documents/public_events/1494697/weinbergmillersheu.pdf |date=21 May 2020 }} (14 June 2019).</ref> [[Paper industry|pulp and paper making]],<ref>Eddie Watkins, [https://econ.unc.edu/files/2018/10/Watkins-Recycling-Comp.pdf The Dynamic Effects of Recycling on Oligopoly Competition: Evidence from the US Paper Industry] {{Webarchive|url=https://web.archive.org/web/20200805233540/https://econ.unc.edu/files/2018/10/Watkins-Recycling-Comp.pdf |date=5 August 2020 }} (29 Oct 2018).</ref> [[Mobile network operator|mobile network carriers]].<ref>{{Cite web |last=Hazlett |first=Thomas W. |last2=Crandall |first2=Robert W. |date=2024 |title=No “Cozy Triopoly” |url=https://www.cato.org/regulation/summer-2024/no-cozy-triopoly#consolidation-of-the-wireless-industry |access-date=2025-05-09 |website=www.cato.org}}</ref>