Additional questions

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Humber College *

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150

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Economics

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Feb 20, 2024

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Additional questions Ch. 9 and 10 Q1 Assume that the given price = $25 per unit. Complete the table for answering the given questions. a) What is the Break-even level of output? TR=TC b) What is the Profit maximizing level of output? What is amount of maximum profit? TR-TC is highest c) What are the Levels of output where firm gets loss? Before Q= and after Q= d) What is the total fixed cost (TFC)? TC is given and output is 0 Atomistic price ( f irms get profit when TR>TC OR TR-TC>0 OR TR-TC is positive) Firms get loss when TR<TC Firm gets no loss no profit TR=TC Profits are maximum when TR-tc is maximum 1 Qty. TR TC Profits/ Loss 0 22 I 45 2 66 3 85 4 100 5 114 6 126 7 141 8 160 9 183 10 210 11 245 12 300 13 360
Q2 Following data are given regarding 1000 identical firms in the perfect competitive industry. Answer the questions given below the table. Price ($ per unit) Quantity supplied (by 1000 firms) Quantity supplied (by each firm) Total demand (industry) Average cost (Each firm) ($) 25 10000 10 4000 20 23 9000 9 6000 19 21 8000 8 8000 17 10 7000 7 9000 12 7 6000 6 11000 9 i) What will be the equilibrium output and price for the industry? ii) What will the total profit or loss for the industry? iii) What will be the profit or loss for each firm? iv) What will be per unit loss for each firm? v) Whether this industry will expand or contract in the long period? 2
3 Consider the following cost data for a perfectly competitive producer to answer the questions given below it. Q (UNITS) AFC ($) AVC ($) AC ($) MC ($) 0 ------ ------ ------ ------ 1 60 45 105 45 2 30 42.5 72.5 40 3 20 40 60 35 4 15 37.5 52.5 30 5 12 37 49 35 6 10 37.5 47.5 40 7 8.57 38.57 47.14 45 8 7.5 40.63 48.13 55 9 6.67 43.33 50 65 3
10 6 46.5 52.5 75 i) What is the amount of TFC? ii) What is the amount of minimum AVC? Using the MC=MR Rule , answer the questions given in different scenarios: Scenario 1: i) Will this firm produce in the short run if the product price is $56 per unit? Why Q = TR = TC = Total profit = Profits per unit = Production decision: Scenario 2: ii) Will this firm produce in the short run if the product price is $41 per unit? Why? Q = TR = TC = Total loss = Loss per unit = Production decision: Scenario 3: iii) Will this firm produce in the short run if the product price is $32 per unit? Why? Q = TR = TC = Total loss = Loss per unit = Production decision: 4
Q4 Consider the following diagram related and answer the questions given below. Quantity = 125 Price = $50 ATC = $30 TR = TC = Total profit = Profit per unit = Shut down price = 5
Q5 If firms are losing money in a perfectly competitive industry, then in the long run this situation will shift the industry: A. demand curve to the right, and the market price will increase. B. supply curve to the left, and the market price will increase. C. supply curve to the right, and the market price will decrease. D. demand curve to the left, and the market price will decrease Q6 When a perfectly competitive firm is in long-run equilibrium, price is equal to: A. marginal cost, but may be greater or less than average cost. B. minimum of the average cost, and also to marginal cost. C. minimum average cost, but may be greater or less than marginal cost. D. marginal revenue, but may be greater or less than both average and marginal cost. Q7 Long-run competitive equilibrium: A. is realized only in constant-cost industries. B. will never change once it is realized. C. is not economically efficient. D. results in zero economic profits. Q8 When a perfectly competitive firm is in long-run equilibrium: A. marginal revenue equals marginal cost. B. price equals marginal cost. C. minimum average total cost equals price. D. all of these are true. Q9 If a perfectly competitive firm is producing at the MR = MC output level and earning an economic profit, then: A. the selling price for this firm is above the market equilibrium price. B. new firms will enter this market. C. some existing firms in this market will leave. D. there must be price fixing by the industry's firms. Q10 Which of the following statements is correct? A. Economic profits induce firms to enter an industry; losses encourage firms to leave. B. Economic profits induce firms to leave an industry; profits encourage firms to leave. 6
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