Which of the following market structures is considered a differentiated products market?

In the figure above, using the midpoint method, the price elasticity of demand when the price falls from $7 to $6 is equal to

A) 2.50. B) 1.63. C) 0.40. D) 0.62. E) 1.00.

In the game in Scenario 13.7, the strategy pair that pays

A) $69,000 to each player is the only equilibrium. B) ($0, -$1000 ) is the only equilibrium. C) (-$1000, $0 ) is the only equilibrium. D) $0 to each player is the only equilibrium. E) $69,000 to each player and the strategy pair that pays $0 to each player are equilibria.