If initial equilibrium real Gross Domestic Product (GDP) is $400 billion, MPC = 0.9, and autonomous investment increases $40 billion, equilibrium real Gross Domestic Product (GDP) will be

All of the following are examples of price discrimination EXCEPT

A) buy-one-get-one-free offers. B) "early bird specials" at a restaurant. C) lower ticket prices for matinee performances. D) "buy now, pay later" payment options.

Both monopolistically competitive firms and perfectly competitive firms maximize profits

A) by producing where price equals average total cost. B) by producing where price equals average variable cost. C) by producing where marginal revenue equals marginal cost. D) by producing where marginal revenue equals average revenue.