Barriers to Entry:Barriers to entry are obstacles that make it difficult for new firms to enter a market and compete with established players, allowing incumbent firms to maintain their dominant position.
Network Effects:Network effects occur when the value of a product or service increases as more people use it, creating a self-reinforcing cycle that can make it challenging for new competitors to gain a foothold.
Lock-in: Lock-in refers to a situation where customers become dependent on a particular product or service, making it difficult for them to switch to a competitor due to the high switching costs involved.