A Nash equilibrium is: Select one: A. reached when each player chooses the best strategy for himself and for the group B. reached when an oligopoly's market demand and supply intersect C. an equilibrium comprising non-dominant strategies only D. reached when each player chooses the best strategy for himself, given the other strategies chosen by the other players in the group.

As you have noticed, the demand for flip phones has drastically reduced, and there are only a few consumer electronics companies selling them at extremely low prices. also, the current buyers of flip phones are mainly categorized under laggards. which of the following stages of the industry life cycle is the flip phone industry in currently? a. growth stage b. maturity stage c. decline stage d. commercialization stage