If there were 10 firms in this market, the short-run equilibrium price of ruthenium would be $Therefore, in the long run, firms wouldwouldBecause you know that competitive firms earnSper pound. At that price, firms in this industrythe ruthenium market.economic profit in the long run, you know the long-run equilibrium price must beper pound. From the graph, you can see that this means there will befirms operating in the ruthenium industry in long-runequilibrium.True or False: Assuming implicit costs are positive, each of the firms operating in this industry in the long run earns positive accounting profit.O TrueO False

Based on the information provided, the question is asking about the long-run equilibrium price of…

Answered: If there were 10 firms in this market,…

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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Similar questions

Return to Figure 9.2. Suppose P0 is 10 and P1 is 11. Suppose a new firm with the same LRAC curve as the incumbent tries to bleak into the market by selling 4,000 units of output. Estimate from the graph what the new firms average cost of producing output would be. If the incumbent continues. to produce 6,000 units, how much output would the two films supply to the market? Estimate what would happen to the market price as a result of the supply of both the incumbent firm and the new entrant. Approximately how much profit would each firm earn? Figure 9.2 Economics of Scale and Natural Monoploy
A market in perfect competition is in long-run equilibrium. What happens to the market if labor unions are able to increase wages for workers?
What two rules does a perfectly competitive firm apply to determine its profit-maximizing quantity of output?
A firms marginal cost curve above the average variable cost curve is equal to the films individual supply curve. This means that every time a firm receives a price from the market it will be willing to supply the amount of output where the price equals marginal cost. What happens to the films individual supply curve if marginal costs increase?
May and Raj me the only two growers who provide organically grown corn to a local grocery store. They know that if they cooperated and produced less corn, they could raise the price of the com. If they work independently, they will each earn 100. If they decide to work together and both lower their output, they call each earn 150. If one person lowers output and the other does not, the person who lowers output will earn $1 and the other person will capture the entire market and will earn 200. Table 10.6 represents the choices available to Mary and Raj. What is the best choice for Raj if he is sole that Mary will cooperate? If Mary thinks Raj will cheat, what should Mary do and why? What is the prisoners dilemma result? What is the preferred choice if they could ensure cooperation? A = Work independently; B = Cooperate and Lower Output. (Each results entry lists Rajs earnings first, and Marys earnings second.)
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?
Explain how the profit-maximizing rule of setting P=MC leads a perfectly competitive market to be allocatively efficient.
If new technology in a perfectly competitive market brings about a substantial reduction in costs of production, how will this affect the market?
Based on your answers to the WipeOut Ski Company in Exercise 7.3, now imagine a situation where the firm produces a quantity of 5 units that it sells for a price of 25 each. What will be the companys profits or losses? How can you tell at a glance whether the company is making or losing money at this price by looking at average cost? At the given quantity and price, is the marginal unit produced adding to profits?
Since a perfectly competitive firm can sell as much as it wishes at the market price, why can the firm not simply increase its profits by selling an extremely high quantity?
Would you rather have efficiency or variety? That is, one opportunity cost of the variety of products we have is that each product costs more per unit than if there were only one kind of product of a given type, like shoes. Perhaps a better question is, What is the right amount of variety? Can there be too many varieties of shoes, for example?
Finding a life partner is a complicated process that may take many years. It is hard to think of this process as being part of a very complex market, with a demand and a supply for partners. Think about how this market works and some of its characteristics, such as search costs. Would you consider it a perfectly competitive market?

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