25. The profit-maximizing, perfectly competițive firm will employ each input in an amount such that: a The marginal product of each input is zero. b) The input price equals the input's marginat product divided by the product price. c. The marginal product of the input equals the input price multiplied by the firm's marginal revenue. The input price equals the input's marginal product multiplied by the product price. ME

25. The profit-maximizing, perfectly competițive firm will employ each input in an amount such that: a The marginal product of each input is zero. b) The input price equals the input's marginat product divided by the product price. c. The marginal product of the input equals the input price multiplied by the firm's marginal revenue. The input price equals the input's marginal product multiplied by the product price. ME

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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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?
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.A fisher sells salmon in a perfectly competitive market and faces a price of $5 per kg at possible weekly outputs of between O and 5000 kg. a. What is the fişher's marginal revenue in this output range? b. Because the fisher operates in a perfectly competitive market, how are marginal revenue and price related? C. Draw the fisher's marginal revenue curve on a graph. Plot only the endpoints at O and 5000 kg to draw the curve.
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31) What is total fixed cost at the profit-maximizing quantity? 32) When the process of entry and exit has ended in a competitive market, are firms’ profits positive, negative, or zero? Why is this true? 33) When a single firm can supply a good or service to an entire market at a lower cost than could two or more firms, the industry is known as a?
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What is the marginal revenue gained when one more unit of output is sold? The price at which the extra unit is sold but adds the rise in revenue of the previous units that could have been sold at a higher price O a. O b. The price of the unit of output sold minus the production cost of that unit The price of the unit of output sold O c. Od. The price at which the extra unit is sold but subtracts the drop in revenue of the previous units that could have been sold at a higher price
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