The long-run equilibrium quantity and price in a perfectly competitive and monopolistic firm and their profits have to be derived and compared. Concept Introduction: Perfect Competition - A market is said to be perfectly competitive when it has a virtually infinite number of buyers and sellers selling a homogenous product with free entry into and exit from the market. The buyers and sellers have perfect knowledge about the products and markets and there are no selling and transportation costs. The sellers are price takers and they face a perfectly elastic demand curve. The monopolistic firm - A form of imperfect competition where there are a very large number of buyers and sellers in the market. The products are nearly but not perfectly homogenous, i.e. there is product differentiation. The entry and exit of firms are free. Unlike the perfect competition, the firms have selling costs and imperfect knowledge marks the structure of the market. The market is a deviation from the ideal but not as competitive as the oligopoly or duopoly market. The demand curve facing the firm here is high though not perfectly elastic. It is a downward sloping demand curve. Marginal Revenue (MR) - The revenue earned by a firm by selling one additional unit of the output is the marginal revenue of the firm. Marginal Cost (MC) - The cost incurred by a firm in the production of one more unit of output is the marginal cost of the firm.

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ICE (Dollars per scooter) 3. How short-run profit or losses induce entry or exit Citrus Scooters is a company that manufactures electric scooters in a monopolistically competitive market. The following graph shows the demand curve, marginal revenue curve (MR), marginal cost curve (MC), and average total cost curve (ATC) for Citrus. Place the black point (plus symbol) on the graph to indicate the short-run profit-maximizing price and quantity for this monopolistically competitive company. Then, use the green rectangle (triangle symbols) to shade the area representing the company's profit or loss 500 450 400 360 200 250 200 150 400 50 MC- ATC MR Demand 150 200 250 300 360 400 450 500 QUANTITY (Scooters) + Monopolistically Competitive Outcome Profit or Loss (?) Given the profit-maximizing choice of output and price, Citrus Scooters is earning sellers in the industry relative to the long-run equilibrium amount. Now consider the long run in which scooter manufacturers are free to enter and…

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Chapter 10, Problem 2P

To determine

The long-run equilibrium quantity and price in a perfectly competitive and monopolistic firm and their profits have to be derived and compared.

Concept Introduction:

Perfect Competition- A market is said to be perfectly competitive when it has a virtually infinite number of buyers and sellers selling a homogenous product with free entry into and exit from the market. The buyers and sellers have perfect knowledge about the products and markets and there are no selling and transportation costs. The sellers are price takers and they face a perfectly elastic demand curve.

The monopolistic firm- A form of imperfect competition where there are a very large number of buyers and sellers in the market. The products are nearly but not perfectly homogenous, i.e. there is product differentiation. The entry and exit of firms are free. Unlike the perfect competition, the firms have selling costs and imperfect knowledge marks the structure of the market. The market is a deviation from the ideal but not as competitive as the oligopoly or duopoly market. The demand curve facing the firm here is high though not perfectly elastic. It is a downward sloping demand curve.

Marginal Revenue (MR) - The revenue earned by a firm by selling one additional unit of the output is the marginal revenue of the firm.

Marginal Cost (MC) - The cost incurred by a firm in the production of one more unit of output is the marginal cost of the firm.

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