3. A perfectly competitive industry has a large number of potential entrants. Each firm has an identical coststructure such that minimum long-run average cost is $25 per unit and occurs at an output of 10 units. Themarket demand is given by Q 4.000- 20P. What is the long-run equilibrium price?_And industryoutput?firm?_And the number of firms?And firm output?_(Show your calculation of profit.)_And the profit carned by cach

In perfect competition, the long-run equilibrium exists when:Long-run average cost = Long-run…

Answered: 3. A perfectly competitive industry has…

Microeconomic Theory

12th Edition

ISBN:9781337517942

Author:NICHOLSON

Publisher:NICHOLSON

Chapter12: The Partial Equilibrium Competitive Model

Section: Chapter Questions

Problem 12.4P

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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?
Assume that a firm in a perfectly competitive industry has the following total cost schedule:OUTPUT (UNITS) TOTAL COST ($) 10 110 15 150 20 180 25 225 30 300 35 385 40 480a. Calculate a marginal cost and an average cost schedule for the firm. b. If the prevailing market price is $17 per unit, how many units will be produced and sold? What are profits per unit? What are total profits? c. Is the industry in long-run equilibrium at this price?
A perfectly competitive industry consists of many identical firms, each with a long-run total cost function of TC = 500Q-20Q^2+0.5Q^3. a. In long-run equilibrium, how much will each firm produce? b. What is the long-run equilibrium price? c. The industry's demand curve is ?? = 48,000 − 60?. How many firms are in the I ndustry? d. If the industry demand decreases to ?? = 30,000 − 80? how will the industry respond?
13. Suppose a representative firm in a perfectly competitive industry has the following totalcost of production in the short run: TC=Q^3-40Q^2+600Q.a. What will be the long run equilibrium quantity for the firm? What will be the longrun equilibrium price in this industry?b. Let the industry demand be given by QD=12400-4P. How many firms will be activein the long-run equilibrium?c. Suppose the firm faces a positive demand shock that increases the industry demandto QD=16000-4P. Describe how the industry would respond and calculate thechange in the number of firms.
1 Consider a perfectly competitive industry, where the current equilibrium price is p*=16 and the current equilibrium market output is Q*=600. Quantity is measured in tons. If each firm has a marginal cost of 4q and an average cost of 2q+5/q. How many firms are in this market? Is this a short-run or a long-run equilibrium? A. 100 firms and it is a short-run equilibrium. B. 200 and it is a short-run equilibrium. C. 150 firms and it is a short-run equilibrium. D. 150 firms and it is a long-run equilibrium. E. none of the above
(1) Consider the following cost schedule for a firm. Quantity Marginal Cost Average Total Cost Average Variable Cost 10 $12 $32 $24 15 $14 $30 $20 20 $16 $28 $16 25 $26 $26 $20 30 $30 $28 $24 35 $40 $32 $30 What is the economic profit or loss for a perfectly competitive firm if the market price is $26? A-0. B- $20. C- negative $20. D-$150. E-negative $150 (2) At what price level would a firm's short-run supply curve begin? A-The price at the minimum of the average variable cost curve B-The price at the profit-maximizing point of production C-The price at the intersection of the average total cost curve and the marginal cost curve D-The price at which demand changes from its elastic to inelastic range E-The price at which marginal cost equals marginal revenue
A perfectly competitive industry has a large number of potential entrants. Each firm has an identical cost structure such that long-run average cost is minimized at an output of 20 units (qi) =20. The minimum average cost is $10 per unit. Total market demand is given by ? = 1,500 − 50?a. What is the industry’s long-run supply schedule?b. What is the long-run equilibrium price (p*)? The total industry output (Q*)? The output of each firm (O*)? The number of firms? The profits of each firm? c. The short-run total cost function associated with each firm’s long-run equilibrium output is given by ?(?) = 0.5?2 − 10? + 200Calculate the short-run average and marginal cost function. At what output level does short run average cost reach a minimum? d. Calculate the short-run supply function for each firm and the industry short-run supply function.e. Suppose now that the market demand function shifts upward to Q =2,000 - 50P. Using this new demand curve, answer part (b) for the very short run…
urgently need 14. Consider the following setup for a perfectly competitive market: Suppose that for the firm, TC=625+Q^2 and MC=2Q, and for the industry, demand is given by P=100-Q and supply is given by S=Q. However, suppose now that there is an increase in demand, so that demand is given by and for the industry, demand is given by P=500-Q. Will this market outcome be sustainable? That is, do you expect firms to leave the market, enter the market, or neither? a. Firms will enter the market. b. Firms will leave the market. c. Firms will neither enter nor leave the market. d. There could be barriers to entry.
1. A firm in a perfectly competitive industry has fixed costs of FC = 15, marginal costsof MC = 5 + 14q, and average variable costs of AVC = 5 + 7q.(a) What are the firm's variable costs (VC)?(b) What is the firm's total cost function? (0) If the price is $75, how much does the firm supply? (d) Does the firm continue to supply this quantity in the short-run? (e) Suppose there exists a standard market demand function from consumers(downward slopping). Please provide a logical discussion about how the marketachieves short-run equilibrium.
Suppose you are a perfectly competitive firm producing computer memory chips. Your production capacity is 1000 units pe r year. Your marginal cost is P10 per chip up to capacity. You have a fixed cost of P10,000 if production is positive and P0 if you shut down. What are your profit-maximizing levels of production and profit if the market price is (A) P5 per chip, (B), P15 per chip, and (C) P25 per chip? For case (B), explain why production is positive even though profits are negative.
9 Suppose that a perfectly competitive industry consists of 240 firms and fixed cost of an individual firm is 384 half of which is a sunk fixed cost while the average variable cost is 12q. Market demand is given by Q-1440-10P. Find the equilibrium output and profit, respectively
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?

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