Suppose a perfectly competitive firm's total cost of production (TC) isTC(q) q-4q60q + 15and the firm's marginal cost of production (MC) isMC(q) 3q-8q+ 60The firm's short-run supply curve is given byO A. P 3q-8q+60 for prices above $4.O B.P =q-4q+60+15O C.P 3q-8q+ 60 for prices above $56O D. p q-4q+ 60 for prices above $56O E. P q-4q+ 60 for prices above $1

Answered: Suppose a perfectly competitive firm's…

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Which describes the firms supply curve for the short run with perfect competition? O The section of MC that is above AVC O The section of MC that is above ATC There is no supply curve since it depends on the slope of demand O The section of ATC to the right of its intersection with MC Which describes the long run equilibrium situation for a firm in perfect competition? O Demand is sloping downward and tangent to ATC Demand is horizontal and tangent to the bottom of ATC O Demand is tangent to AVC O There are positive economic profits to motivate firms to keep producing
The table below shows the weekly marginal cost (MC) and average total cost (ATC) for Buddies, a purely competitive firm that produces novelty ear buds. Assume the market for novelty ear buds is a competitive market and that the price of ear buds is $6.00 per pair. Buddies Production Costs Quantity MC ATC of Ear Buds ($) ($) 20 1.00 25 2.00 1.20 30 2.46 1.41 35 3.51 1.71 40 4.11 2.01 45 5.43 2.39 50 5.99 2.75 55 8.47 3.27 Instructions: In part a, enter your answer as the closest given whole number. In parts b-d, round your answers to two decimal places. a. If Buddies wants to maximize profits, how many pairs of ear buds should it produce each week? pairs b. At the profit-maximizing quantity, what is the total cost of producing ear buds? 2$ c. If the market price for ear buds is $6 per pair, and Buddies produces the profit-maximizing quantity of ear buds, what will Buddies profit or loss be per week? 2$
What are the three conditions for a market to be perfectly competitive? For a market to be perfectly competitive, there must be O A. many buyers and a small number of firms that compete, selling identical products, and barriers to new firms entering the market. O B. many buyers and one seller, with the firm producing a product that has no close substitutes, and barriers to new firms entering the market. OC. many buyers and a few sellers, with all firms selling identical products, and no barriers to new firms entering the market. O D. many buyers and sellers, with all firms selling identical products, and no barriers to new firms entering the market. O E. many buyers and sellers, with firms selling similar but not identical products, with low barriers new firms entering the market.
If a firm is a price-taker, then Select one: O a. marginal revenue is equal to price O b. the firm can sell as much output as it likes at the market-determined price O c. marginal revenue is equal to total revenue O d. both a and b
A mattress company operates in a perfectly-competitive environment. If the firm can increase its profits by increasing output, O price is greater than marginal cost. O price is less than marginal cost. O price is equal to marginal cost. losses are minimized.
Refer to Figure P. For any price in this market that exceeds ____, firms would be encouraged to enter the market. a)P₂. b)P₁. c)P₄. d)P₃.
3
Imagine a firm in a competitive market comes up with a new production method, which halves its marginal cost at all levels of Q. Fixed costs are unaffected. Which of the following statements are true? O a. The firm's AC at all levels of Q would be lower. O b. The firm would extract an innovation rent from selling at the market price with lower costs. Oc. The firm's point of minimum AC would be a higher level of Q. O d. The innovation would immediately cause the market price to drop.
Suppose that in a competitive market the equilibrium price is $2.50. What is marginal revenue for the last unit sold by the typical firm in this market? Select one: O a. less than $2.50 O b. more than $2.50 Oc. exactly $2.50 Od. The marginal revenue cannot be determined without knowing the actual quantity sold by the typical firm.
In a perfectly competitive market, each firm has a long-run total cost given by LTC = 100Q - 10Q² + 1/2Q³. What is the market's long-run equilibrium price? 00 O 50 O25 150 4
Suppose that there are exactly 1000 firms in the short-run in the market for widget production. The market is perfectly comp below: 100 6 75 50 25 10 20 MC 5 b. 3000 O c. zero d. 5000 ATC AVC 80 100 123 140 Market demand for widgets is given by the following equation: Q-140,000-400P What is the long-run equilibrium profit level per firm? O a. 1500 quart
Suppose the costs of a perfectly competitive firm are given by TC = 30 +3Q+0.5Q2 and MC= 3+Q. The supply equation of the firm is, therefore, Q = -3 + P. If the market price is $13, what is the total profit of the firm? O $20 $130 -$110 O $10

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