Figure: Cost Curves for Corn Producers Price, cost of bushel $30 26 MC 22 18 ATC AVC 14 10 1 3 4 7 Quantity of corn (bushels) Reference: Ref 12-3 (Figure: Cost Curves for Corn Producers) Look at the figure Cost Curves for Corn Producers. The market for corn is perfectly competitive. If the price of a bushel of corn is $10, in the short run, the farmer will produce of corn and earn an ec omic equal to 2 bushels; profit; $0 2 bushels; loss; just more than $80 per bushel 3 bushels; profit; loss, -$15 4 bushels; profit; just less than $80 per bushel

Figure: Cost Curves for Corn Producers Price, cost of bushel $30 26 MC 22 18 ATC AVC 14 10 1 3 4 7 Quantity of corn (bushels) Reference: Ref 12-3 (Figure: Cost Curves for Corn Producers) Look at the figure Cost Curves for Corn Producers. The market for corn is perfectly competitive. If the price of a bushel of corn is $10, in the short run, the farmer will produce of corn and earn an ec omic equal to 2 bushels; profit; $0 2 bushels; loss; just more than $80 per bushel 3 bushels; profit; loss, -$15 4 bushels; profit; just less than $80 per bushel

Principles of Economics 2e

2nd Edition

ISBN:9781947172364

Author:Steven A. Greenlaw; David Shapiro

Publisher:Steven A. Greenlaw; David Shapiro

Chapter8: Perfect Competition

Section: Chapter Questions

Problem 1SCQ: Firms ill a perfectly competitive market are said to be price takers that is, once the market...

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Firms ill a perfectly competitive market are said to be price takers that is, once the market determines an equilibrium price for the product, firms must accept this price. If you sell a product in a perfectly competitive market, but you are not happy with its price, would you raise the price, even by a cent?
Principles of Microeconomics Name: Homework #3 Prof. R. Harris DUE: Wednesday, April 17, 2019 at the beginning of class - NO EXCEPTIONS. Please remember to show all work and please be neat. Please staple this if you print it on your own. 1. Consider the following table of numbers, which represents demand and cost conditions for a com firm. petitive TR 600 0 1 2 $o $400 600 $400 $240 600 $430 $670 $960 $1,350 $1,840 $2,440 $3,120 $3,910 $4,800 600 600 600 600 600 600 5 6 7 600 600 9 10 (a) Fill in the missing values (b) Use the information in the chart to determine what level of output the firm should produce. Explain your reasoning.
The following graph plots daily cost curves for a firm operating in the competitive market for rompers. Hint: Once you have positioned the rectangle on the graph, select a point to observe its coordinates. (?) PRICE (Dollars per romper) 50 45 40 3.5 30 20 15 10 10 5 0 + 0 2 MC ATC AVC 4 6 8 12 14 16 QUANTITY (Thousands of rompers per day) 10 18 H 20 Profit or Loss
Attempts: Average: 12 5. Profit maximization and shutting down in the short run Suppose that the market for sports watches is a competitive market. The following graph shows the daily cost curves of a firm operating in this market. V ATC AVC PRICE (Dolars per watch) 100 5 MO 0 0 10 20 30 40 50 60 70 80 90 100 QUANTITY(Thousands of watches) For each price in the following table, calculate the firm's optimal quantity of units to produce, and determine the profit or loss if it produces at that quantity, using the data from the previous graph to identify its total variable cost. Assume that if the firm is indifferent between producing and shutting down, it will produce. (Hint: You can select the purple points [diamond symbols] on the previous graph to see precise information on average variable cost.) Price Quantity (Dollars per watch) (Watches) 25.00 40.00 65.00 Total Revenue Fixed Cost Variable Cost (Dollars) (Dollars) (Dollars) 520,000 $20,000 520,000 (Dollars) If the firm shuts down,…
The following graph plots daily cost curves for a firm operating in the competitive market for fitness trackers. Hint: Once you have positioned the rectangle on the graph, select a point to observe its coordinates. PRICE(Dollars pertracker) 100 90 70 60 50 40 20 10 0 0 MO ATC AVC 50 60 70 80 10 20 30 40 QUANTITY (Thousands of trackers per day) 90 100 Profit or Loss In the short run, given a market price equal to $45 per tracker, the firm should produce a daily quantity of trackers. On the preceding graph, use the blue rectangle (circle symbols) to fill in the area that represents profit or loss of the firm given the market price of $45 and the quantity of production from your previous answer. Note: In the following question, enter a positive number regardless of whether the firm earns a profit or incurs a loss. The rectangular area represents a short-run thousand per day for the firm.
4. Profit maximization in the cost-curve diagram Suppose that the market for wind chimes is a competitive market. The following graph shows the daily cost curves of a firm operating in this market. Hint: After placing the rectangle on the graph, you can select an endpoint to see the coordinates of that point. 40 36 Profit or Loss 32 28 24 АТC 16 12 AVC 8 MC 4 + 2 4 6 8 10 12 14 16 18 20 QUANTITY (Thousands of wind chimes per day) 20 PRICE (Dollars per wind chime)
15. The table below shows cost data for producing different amounts of refrigerators. Use the given information to answer the questions below. Quantity Total Cost Variable Cost Marginal Cost Average Variable Cost Average Total Cost in $ in $ in $ in $ in $ 241 0 271 30 361 120 491 250 681 440 901 660 0 10 What is the profit (loss) at that level of production? 20 30 40 50 How many refrigerators would a competitive firm produce if the market price was $19? 3 9 13 19 22 3.00 6.00 8.33 11.00 13.20 27.10 18.05 16.37 17.02 18.02
JYour business has the capacity to produce up to 5 units/week. The table & graph below show average cost (AC) for different weekly production levels. Your objective is to maximize profit each week. Average Cost 22 20 AC 18 1 20 14 2 15 12 3 12 10 1 2 4 4 13 Quantity 15 Your product sells in the market for $21/unit, and you can sell as many units at that price as you can bring to market. You know from your economics training that deciding how much to produce should rely on marginal concepts like marginal cost (MC). So, based on the AC table above, create a table that shows the MC of each unit. (Assume that there are no fixed costs, so total costs are zero if Q=0.) Based on MC for each unit, determine the profit-maximizing quantity to produce and sell. BRIEFLY explain your answer. (Your answer needs to be based on MC and being able to sell each unit for $21.) AC ($/unit)
4. A puppet maker calculates that the yearly cost of running his manufactory is $14,000. Additionally it costs him $60 to create each of his puppets. The price per puppet is determined by the following price-demand equation: p=500–2x a. Find the Cost equation for the total number of puppets produced and sold Find the Revenue equation for the total number of puppets produced and sold b. c. How many puppets does he need to make and sell to break even? d. Use the Cost and Revenue equations to find the Profit function What is the price that he needs to charge if he wants to sell exactly 80 puppets? e.
Price and cost (dollars per mug) NA a ∞ ONA a 16 0 5 10 15 20 25 30 35 40 45 50 Quantity (mugs per day) $160; $280 The figure above shows Mollie's Mugs' costs producing mugs. The mug market is perfectly competitive. If the market price of a mug falls to $5 and Mollie's shuts down temporarily, its total variable cost is per day and it incurs an economic loss of per day. $8; $14 MC $0; $120 ATC AVC $0; $6
Consider the competitive market for sports jackets. The following graph shows the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves for a typical firm in the industry. 72 16 AVC 16 24 40 QUANTITY (Thousards of jaats) For each price in the following tabie, use the graph to determine the number of jackets this firm would produce in arder to maximize its profie. Assume that when the price is exacty equal to the average variabie cost, the firm is indifferent between producing zero jackets and the proft-maximizing quandity. Also, indicate whether the fiem wil produce, shut down, or be indiferent between the two in the short run. Lastiy, determine whether e w make a prafit, suffer a loss, ar break even at each price. Price Quantity (Dollars per jacket) (Jackets) Produce or Shut Down? Profit or Loss? 4 12 36 48 60
9. Problems and Applications Q9 The market for apple pies in the city of Ectenia is competitive and has the following demand schedule: Price Demand Schedule Quantity Demanded (Dollars) (Pies) 1 1,200 2 1,100 3 1,000 4 900 Each producer in the market has a fixed cost of $6 and the following marginal cost: Quantity Marginal Cost (Pies) 1 (Dollars) 10 1382 23456 14 Complete the following table by computing the total cost and average total cost for each quantity produced. Quantity Total Cost Average Total Cost (Pies) 1 2 3 4 5 6 (Dollars) The price of a pie is now $11. At a price of $11, are (Dollars) pies are sold in the market. Each producer makes producers in this market, each making a profit of $ pies, so there