Economics: Private and Public Choice
16th Edition
ISBN: 9781337642224
Author: James D. Gwartney; Richard L. Stroup; Russell S. Sobel
Publisher: Cengage Learning US
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Chapter 23, Problem 7CQ
To determine
Total revenue maximizing
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Suppose a firm sells two goods, Good A and Good B. Use the following information to Calculate the mark-up and the profit-maximizing price that the firm should change for Good B.
Profit maximizing price of Good A = $6000
MC at profit-maximizing level of output of Good A = $1200
MC at profit-maximizing level of output of Good B = $400
Total revenue of Good A = $80000
Total revenue of Good B = $68000
Rothschild index of Good B = 0.6
Price elasticity of the market demand for Good B = -1.2
Small businesses typically do not observe the demand curves for the products they sell. For example, a local bakery could not draw the demand curve for its loaves of sourdough bread. Without this important information, how would the local bakery maximize its revenue?
Jabari's HookNLadder is the only company selling fire engines in the fictional country of Alexandrina. Jabari initially produced four trucks, but then decided to increase production to five trucks. The following graph gives the demand curve faced by Jabari’s HookNLadder. As the graph shows, in order to sell the additional fire truck, Jabari must lower the price from $105,000 to $90,000 per truck. Notice that Jabari gains revenue from the sale of the additional engine, but at the same time, he loses revenue from the initial four engines because they are all sold at the lower price.
Use the purple rectangle (diamond symbols) to shade the area representing the revenue lost from the initial four engines by selling at $90,000 rather than $105,000. Then use the green rectangle (triangle symbols) to shade the area representing the revenue gained from selling an additional engine at $90,000
Chapter 23 Solutions
Economics: Private and Public Choice
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- Jabari's HookNLadder is the only company selling fire engines in the fictional country of Alexandrina. Jabari initially produced four trucks, but then decided to increase production to five trucks. The following graph gives the demand curve faced by Jabari's HookNLadder. As the graph shows, in order to sell the additional fire truck, Jabari must lower the price from $105,000 to $90,000 per truck. Notice that Jabari gains revenue from the sale of the additional engine, but at the same time, he loses revenue from the initial four engines because they are all sold at the lower price. Use the purple rectangle (diamond symbols) to shade the area representing the revenue lost from the initial four engines by selling at $90,000 rather than $105,000. Then use the green rectangle (triangle symbols) to shade the area representing the revenue gained from selling an additional engine at $90,000. PRICE (Thousands of dollars per fire engine) Jabari 165 150 135 120 105 90 75 60 45 30 15 D 0 True 1…arrow_forwardJabari's HookNLadder is the only company selling fire engines in the fictional country of Alexandrina. Jabari initially produced five trucks, but then decided to increase production to six trucks. The following graph gives the demand curve faced by Jabari's HookNLadder. As the graph shows, in order to sell the additional fire truck, Jabari must lower the price from $160,000 to $120,000 per truck. Notice that Jabari gains revenue from the sale of the additional engine, but at the same time, he loses revenue from the initial five engines because they are all sold at the lower price. Use the purple rectangle (diamond symbols) to shade the area representing the revenue lost from the initial five engines by selling at $120,000 rather than $160,000. Then use the green rectangle (triangle symbols) to shade the area representing the revenue gained from selling an additional engine at $120,000. PRICE (Thousands of dollars per fire engine) 220 200 180 160 140 120 100 80 60 40 20 Jabari 0 0 1 2 3…arrow_forwardJabari's HookNLadder is the only company selling fire engines in the fictional country of Alexandrina. Jabari initially produced five trucks, but then decided to increase production to six trucks. The following graph gives the demand curve faced by Jabari's HookNLadder. As the graph shows, in order to sell the additional fire truck, Jabari must lower the price from $160,000 to $120,000 per truck. Notice that Jabari gains revenue from the sale of the additional engine, but at the same time, he loses revenue from the initial five engines because they are all sold at the lower price. Use the purple rectangle (diamond symbols) to shade the area representing the revenue lost from the initial five engines by selling at $120,000 rather than $160,000. Then use the green rectangle (triangle symbols) to shade the area representing the revenue gained from selling an additional engine at $120,000. PRICE (Thousands of dollars per fire engine) 220 200 180 160 140 120 100 80 60 40 0 Jabari 0 + 1 True…arrow_forward
- A firm faces the demand curve: P = 800 - 25Q. What is the firm’s revenue maximizing price? Enter as a value.arrow_forwardYou own a bakery and shop that makes and sells gourmet doggie treats. You have done market research and you know with certainty that your product is a normal good, not an inferior good. The current demand function for your gourmet doggie treats is: QD = 480 -6*P which of course means the equation for your current demand curve is: P = 80 -(1/6)*Q You are opening a new shop in a new part of town, and you know that incomes in that part of town are much lower than incomes are where your shop is now. Which of the following is most likely the demand curve in your new shop? Multiple Choice O P=68- (1/6)*Q P = 102 - (1/6)*Q P=92-(1/6)*Q P = 88 - (1/6)*Qarrow_forwardSuppose you are the marketing manager for Fruit of the Loom. An individual's inverse demand for Fruit of the Loom women's underwear is estimated to be P = 25 − 3Q (in cents). If the cost to Fruit of the Loom to produce an item of women's underwear is C(Q) = 1 + 4Q (in cents), compute the price Fruit of the Loom should charge for a package of women's underwear. $108.50 $1.09 $1.02 $136.50arrow_forward
- Suppose the monthly demand for golf services at a golf club is given by the inverse demand function, P = 20 – Q. The marginal cost to the golf club for each round is €2. There are 10 customers with exactly the same inverse demand functions. The fixed costs of running the club are €500 a month. At the moment the golf club charges each person €11 per round and each person plays 9 rounds of golf a week. The unit price that the club should charge each player under an optimal two-part tariff is 4 2 162 11arrow_forwardDemand for Corn Flakes is: P = 17 - Q. Supply of Kellogg's Corn Flakes is: P = 2 + Q. Now a generic company enters the market, selling generic Corn Flakes for $5. Assume consumers are indifferent between generic and Kellogg's Corn Flakes. How many boxes of corn flakes will sell in total (both brand and generic)? Enter as a value.arrow_forwardMango Systems believes that demand for its pet e-mouse follows a linear demand equation: Quantity = 43,911 - 708* Price Mango's variable cost to produce one pet e-mouse is $23.50. Find the maximum total contribution margin (margin per unit times quantity sold) that Mango Systems can possibly achieve on its pet e-mouse. (Rounding: penny.) Your Answer:arrow_forward
- A price-taking firm faces a horizontal demand curve and a price-searching firm faces a downward-sloping demand curve. Do you agree or disagree? Explain your answer.arrow_forwardYou are given the following information about the market for Birkin Bags: The formula for Demand is as follows: Qd: 400,000-10*P. It's Cost Function is 20,000,000 + 6000 Questions: (1) What is the price (P) where REVENUE is maximized? (2) What is the price (P) that maximizes PROFITS? (3) What is the QUANTITY (Q) that maximizes profits at that price? (4) What are TOTAL PROFITS at that price?arrow_forwardDemand for Corn Flakes is: P = 26 - Q. Supply of Kellogg's Corn Flakes is: P = 2 + Q. Now a generic company enters the market, selling generic Corn Flakes for $6. Assume consumers are indifferent between generic and Kellogg's Corn Flakes. How many boxes of Kellogg's (brand) Corn Flakes will sell? Enter as a value.arrow_forward
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