Barriers to Entry: The entry barriers in oligopoly are extremely high that prevent new entrants into competition against the old-established firms.
Product Differentiation: Mostly the firms under oligopoly sell either homogenous or differentiated products. Most of the firms use branding, quality, or technology for differentiation.
Non-price Competition: nstead, they compete for ever... https://finxl.in/advanced-financial-planning-and-analysis-course.html