Which of the following is not a characteristic of a kinked demand curve? (D) Pricing at the kink. Because of the kink in the curve, the marginal revenue is horizontal for a range of prices, which results in the point where marginal cost and marginal revenue (the profit-maximizing output level) typically occurring at the kinked level of output. Because of this, the price tends to be at the point where the kink in the demand curve exists.