7. short run. (18) The graph below shows the demand curve and marginal revenue curve for a monopolistic competitive firm in the Complete the graph and illustrate this monopolistically competitive firm earning a positive economic profit. Price ($) mr d quantity

1. Consider the following graph: Price (dollars per cup) $6.00 MC ATC 3.50 Profit 2.50 Demand 0 1 2 3 45 6 7 8 9 10 Quantity (cafe lattes per week) Profit-maximizing quantity of caté lattes MR a) Is it possible to say whether this firm is a perfectly competitive firm or a monopolistically competitive firm.

1. Consider the following graph: Price (dollars per cup) $6.00 MC ATC 3.50 Profit 2.50 Demand 0 1 2 3 45 6 7 8 9 10 Quantity (cafe lattes per week) Profit-maximizing quantity of caté lattes MR show how the long-run equilibrium in a monopolistically competitive market differ from that in a perfectly competitive market?

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PRICE (Dolars per bike) 2. How short-run profit or losses induce entry or exit Fantastique Bikes is a company that manufactures bikes in a monopolistically competitive market. The following graph shows Fantastique's demand curve, marginal-revenue (MR) curve, marginal-cost (MC) curve, and average-total-cost (ATC) curve. 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. Now consider the long run in which bike manufacturers are free to enter and exit the market. Show the possible effect of this free entry and exit by shifting the demand curve for a typical individual producer of bikes on the following graph. 500 400 400 ATC 300 250 200 150 100 Mo Demand 0 ° 50 100 150 200 200 300 350 450 500 QUANTITY (Bikes) Monopolistically Competitive Outcome Profit or Loss Given the…

7. The figure shows the monopolistically competitive market for smartphones. Plot the profit-maximizing price and quantity on the graph. Is this producer earning positive or negative profits in the short run? In the long run, will supply or demand for this producer's good be affected? Will economic profits increase or decrease for this producer?

Question 21 Markup Ос What is the level of profit for the monopolistically competitive firm in the above diagram? positive zero negative impossible to determine MC ATC

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…

2. Understanding excess capacity The following table shows the daily cost data and demand schedule for a typical firm producing board games in a monopolistically competitive market in the short run. Fill in the values in the Marginal Cost, Total Revenue, and Marginal Revenue columns in the following table and then answer the questions that follow. Quantity Price Total Cost Marginal Cost (Board games) (Dollars per game) (Dollars) (Dollars) 123456 15.00 15 12.00 20 10.00 27 8.00 32 6.00 35 6 7 8 4.00 42 3.00 48 1.00 56 Total Revenue (Dollars) Marginal Revenue (Dollars) Average Total Cost (Dollars) Under monopolistic competition, a typical firm will produce board games at a price of $ per board game in the short run. Based on your calculations, the firm will Fill in the Average Total Cost column in the previous table. Based on your calculations, the level of excess capacity in this monopolistically competitive market is

3. Monopolistic competition in the short run Consider a shop that produces muffins in a monopolistically competitive market. The following graph shows its demand curve (Demand), marginal revenue curve (MR), marginal cost curve (MC), and average total cost curve (ATC). Assume that the company is operating in the short run. PRICE AND COSTS (Dollars per muffin) $3.50 $2.75 $2.50 $1.90 $1.00 The profit-maximising level of output is At the profit-maximising output and price, the shop's profit equals Given the profit-maximising choice of output and price, the shop is making there are 1 I MR MC 1 1 1 Demand 230 280 QUANTITY (Muffins per day) muffins per day at a price of 160 ATC each. profit, which means that shops in the industry relative to the long-run equilibrium.