Not graded 7. Short-run supply and long-run equilibriumConsider the competitive market for copper. Assume that, regardless of how many firms are in the industry, every firm in the industry is identical andfaces the marginal cost (MC), average total cost (ATC), and average variable cost (AVC) curves shown on the following graph.1009080706050口АТС20AVC10MC O2530354045505101520QUANTITY (Thousands of pounds)The following diagram shows the market demand for copper.COSTS (Dollars per pound) * CENGAGE MINDTAPQ Search this couHomework (Ch 14)1009080Supply (20 firms)7060Supply (30 firms)5040Supply (40 firms)Demand3020105006257508751000 1125 1250125250375QUANTITY (Thousands of pounds)If there were 30 firms in this market, the short-run equilibrium price of copper would be $Therefore, in the long run, firms wouldper pound. At that price, firms in this industry wouldv the copper market.economic profit in the long run, you know the long-run equilibrium price must beBecause you know that competitive firms earnper pound. From the graph, you can see that this means there will be v firms operating in the copper industry in long-run equilibrium.True or False: Assuming implicit costs are positive, each of the firms operating in this industry in the long run earns negative accounting profit.O TrueO'FalsePRICE (Dollars per pound)

In economics, the long-run is a theoretical concept in which all markets are in equilibrium and all…

If there were 30 firms in this market, the short-run equilibrium price of copper would be $ per pound. At that price, firms in this industry would Therefore, in the long run, firms would v the copper market. Because you know that competitive firms earn v economic profit in the long run, you know the long-run equilibrium price must be 24 per pound. From the graph, you can see that this means there will be v firms operating in the copper industry in long-run equilibrium. True or False: Assuming implicit costs are positive, each of the firms operating in this industry in the long run earns negative accounting profit. O True O False

If there were 30 firms in this market, the short-run equilibrium price of copper would be $ per pound. At that price, firms in this industry would Therefore, in the long run, firms would v the copper market. Because you know that competitive firms earn v economic profit in the long run, you know the long-run equilibrium price must be 24 per pound. From the graph, you can see that this means there will be v firms operating in the copper industry in long-run equilibrium. True or False: Assuming implicit costs are positive, each of the firms operating in this industry in the long run earns negative accounting profit. O True O False

Principles of Economics (MindTap Course List)

8th Edition

ISBN:9781305585126

Author:N. Gregory Mankiw

Publisher:N. Gregory Mankiw

Chapter14: Firms In Competitive Markets

Section: Chapter Questions

Problem 9PA

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Suppose that each firm in a competitive industry has the following costs: Total cost: TC = 50 + q2 Marginal cost: MC = q where q is an individual firms quantity produced. The market demand curve for this product is Demand:QD = 120 P where P is the price and Q is the total quantity of the good. Currently, there are 9 firms in the market. a. What is each firms fixed cost? What is its variable cost? Give the equation for average total cost. b. Graph average-total-cost curve and the marginal-cost curve for q from 5 to 15. At what quantity is average-total-cost curve at its minimum? What is marginal cost and average total cost at that quantity? c Give the equation for each firms supply curve. d. Give the equation for the market supply curve for the short run in which the number of firms is fixed. e. What is the equilibrium price and quantity for this market in the short run? f. In this equilibrium, how much does each firm produce? Calculate each firms profit or loss. Is there incentive for firms to enter or exit? g. In the long run with free entry and exit, what is the equilibrium price and quantity in this market? h. In this long-run equilibrium, how much does each firm produce? How many firms are in the market?
Only typed answer You’ve been given a firm’s production and cost functions: p = 132 − 2q MC = 12 + 4q Assume this firm is in a perfectly competitive market. Calculate the equilibrium price and quantity. What is the firm’s profit here? Assume this firm is in a monopoly market. Calculate the equilibrium price and quantity. What is the firm’s profit here?
Return to Figure 9.2. Suppose P0 is $10 and P1 is$11. Suppose a new firm with the same LRAC curve asthe incumbent tries to break into the market by selling4,000 units of output. Estimate from the graph what thenew firm’s average cost of producing output would be.If the incumbent continues to produce 6,000 units, howmuch output would the two firms supply to the market?Estimate what would happen to the market price as aresult of the supply of both the incumbent firm andthe new entrant. Approximately how much profit wouldeach firm earn?
21. A long-run equilibrium in an industry exists when cost per unit is at its lowest possible level. O. there is only one firm in the industry. O. the size of the market remains constant. O. price equals cost per unit. O. price equals marginal cost. 22. A tariff imposed on a country as a penalty for dumping goods is called a(n) O. antidumping duty. O. quota tariff. O. ad valorem tariff. O. revenue tariff. O. dumping duty.
4. Assess which of the following is true and which is false.A firm’s profit equation is given by π = -100 + 160Q – 20Q2. Therefore,a) The firm’s fixed cost is 100.b) The firm’s fixed cost is 40 and variable cost is 20.c) Marginal profit is Mπ = 160 – 20Q.d) The firm’s profit-maximizing output is Q = 4.e) Marginal profit is Mπ = 160 – 40Q and it is positive for quantities that are lower than theprofit-maximizing quantity.
A small firm operating in a purely competitive market has fixed costs of $45 per day compensates each employee $96 per day and has daily input and raw material costs as indicated in the table below. A. What would be the profit maximizing level of production if demand increased such that each unit sold for $130?, will the company make an economic profit producing this quantity of output? b: suppose the demand significantly decreased so that price for a unit of ouput sold to $115 each. What should the firm do? Why?
For a firm with market power, what is the marginal revenue gained when one more unit of output is sold? Question 19Answer a. The price at which the extra unit is sold plus the rise in revenue from selling other units at a higher price b. The price of the unit of output sold minus the production cost of that unit c. The price of the unit of output sold d. The price at which the extra unit is sold less the drop in revenue from selling other units at a lower price
Quantity ofApples (bushels) VC 0 $0 1 $40 2 $70 3 $80 4 $130 5 $190 6 $260 7 $340 8 $430 Reference: Ref 12-12 Table: Lilly's Apple Orchard (Table: Lilly's Apple Orchard) Use Table: Lilly's Apple Orchard. Lilly is the price-taking owner of an apple orchard; the orchard's variable costs are given in the table. Her orchard has fixed costs of $30. If the price of a bushel of apples is $85, we would expect total industry output to _____ and Lilly's output to _____ in the long run. Select one: a. rise; fall b. fall; fall c. rise; rise d. fall; rise
Suppose you are a perfectly competitive firm producing computer memory chips. Your production capacityis 1000 units per year. Your marginal cost is $10 per chip up to capacity. You have a fixed cost of $10,000 ifproduction is positive and $0 if you shut down. What are your profit-maximizing levels of production andprofit if the market price is ( a ) $5 per chip, ( b ) $15 per chip, and ( c ) $25 per chip? For case ( b ), explainwhy production is positive even though profits are negative?
1. Mzanzi-Ndizvo (Pty) is a vaccine manufacturing company that has the following costs ofproduction. Cost of capital is R50 000, labour cost is R30 000, and the total cost the firm is willing to pay is R300,000. Identify the type of this production function and Illustrate it with a 2D graph. 2. If the demand and supply curve for cell phones is given by: D = 80 - 4P, S = 40 + 6P In a market with a price of P for smartphones, compute the number of phones that would be bought and sold at equilibrium.
The table below shows the costs of a firm that produces handmade pottery vases in a competitive industry. Output AVC MC 1 3 3 2 2.50 2 3 2.17 1.5 4 1.93 1.2 5 1.74 1 6 1.67 1.3 7 1.71 2 8 2 4 9 2.44 6 10 3 8 The market price for a handmade vase is $3.75. To maximize its profit, this firm should produce vases.
1. Suppose a perfectly competitive firm is operating in short run. The information of MR, Q,ATC and AVC are 15 taka, 60 unit, 45taka and 35 taka respectively. Calculate firm’sprofit/loss and total fixed cost. From these calculations and based on all the giveninformation, can you conclude about the firm’s decision in short run? Explain your reasoningwith the help of a suitable diagram. Show all the relevant information in yourdiagram.[Q=profit maximizing output and MR=marginal revenue]