How can firms in markets other than perfect competition attempt to increase their market power?

Firms in markets other than perfect competition can increase their market power through various strategies, such as differentiation, which involves offering unique products or services that set them apart from competitors. They can also engage in strategic pricing, including price discrimination to capture consumer surplus. Additionally, firms may pursue Mergers and Acquisitions to consolidate market share or establish barriers to entry that make it difficult for new competitors to enter the market. Lastly, investing in marketing and brand loyalty can help maintain a strong consumer base and reduce the elasticity of demand for their products.