Boeing is one of the two wide-body commercial aircraft manufacturers in the world. It buys thousands of parts from its suppliers, many of whom sell exclusively to Boeing. Because of this lopsided relationship, Boeing has been able to extract favorable terms from these suppliers. What kind of competitive advantage does Boeing possess? Threat of substitute products Rivalry between existing competitors - price and non-price competition Threat of new entrants - high barriers to entry Bargaining power of buyers Bargaining pover of suppilers A lot of taxi drivers have filed for personal bankruptcy ever since Uber and Lyft started using personal vehicles for ride-share purposes. According to Michael Porter, the kind of competitive force at play is the rivalry among taxi operators the bargaining power of taxi passengers the threat of substitute services the high barrier to entry into the taxi business