每日答題： When demand increases and supply decreases, the 答案： equilibrium price rises, and the equilibrium quantity might increase, decrease, or remain constant.
【題目】 When demand increases and supply decreases, the equilibrium price falls, and the equilibrium quantity might increase, decrease, or remain constant. equilibrium price rises, and the equilibrium quantity might increase, decrease, or remain constant. equilibrium quantity decreases, and the equilibrium price might rise, fall, or remain constant. equilibrium quantity increases, and the equilibrium price might rise, fall, or remain constant.
【題目】 When marginal profit equals zero. the firm cannot exercise price discrimination. the firm can increase profits by decreasing out put. the firm can increase profits by increasing out put. profit is maximized.
(a) the firm cannot exercise price discrimination. (b) profit is maximized. (c) the firm can increase profits by increasing output. (d) the firm can increase profits by decreasing output. (e) marginal revenue equals average revenue.
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