7. Problems and Applications Q10 Consider the following table of long-run total costs for three different firms: Quantity 1 2 3 Firm A 60 70 Firm B 11 24 Firm C 21 34 B C 4 5 6 80 90 100 110 39 56 49 66 Indicate whether each firm experiences economies of scale or diseconomies of scale. (Note: If a firm experiences economies of scale in one region and diseconomies of scale in another, make sure to select both columns.) 7 120 Firm Economies of Scale Diseconomies of Scale A 0 75 96 119 85 106 129

7. Problems and Applications Q10 Consider the following table of long-run total costs for three different firms: Quantity 1 2 3 Firm A 60 70 Firm B 11 24 Firm C 21 34 B C 4 5 6 80 90 100 110 39 56 49 66 Indicate whether each firm experiences economies of scale or diseconomies of scale. (Note: If a firm experiences economies of scale in one region and diseconomies of scale in another, make sure to select both columns.) 7 120 Firm Economies of Scale Diseconomies of Scale A 0 75 96 119 85 106 129

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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3) Which of the following is not true about the marginal cost? Oo The marginal cost (MC) curve is U shaped. It can be calculated by dividing the change in the total cost by the change in the output. It is the additional cost incurred by a firm from changing output by a certain amount. It can be calculated by dividing the total cost by the quantity.
The table shows three short-run cost schedules for three plants of different sizes that a firm might build in the long run. Plant 1 Plant 2 Plant 3 Output ATC Output ATC Output ATC 10 $ 10 10 $ 15 10 $ 20 20 9 20 10 20 15 30 8 30 7 30 10 40 9 40 10 40 8 50 10 50 14 50 9 What is the long-run average cost of producing 10 units of output? Multiple Choice $10 $15 $20 $45
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3. XYZ corporation produces widgets. Its short-run marginal cost curve is given by MC (q) = 10 – 5q + q² (this is a parabola whose minimum occurs at q = 2.5). XYZ's fixed costs are 10. In a two panel diagrams, graph the following cost curves: (a) total cost, (b) total variable cost, (c) total fixed cost, (d) marginal cost, (e) average variable cost, and (f) average total cost. Your diagrams do not need to be scale, but must be internally consistent (i.e. the relationships between different curves must be correct). You do not need to find mathematical expressions for the other cost curves – you only need to sketch lines that are consistent with the shape of the marginal cost curve.
1:27 Ces A firm's output, variable costs, and total costs are given in the table below. Instructions: Enter your answers as a whole number. a. Calculate marginal cost using the formula given in the chapter: ATotal cost/AQuantity. Quantity 10 20 30 50 Quantity 0 10 20 30 40 Variable cost ($) b. Calculate AVariable cost/AQuantity. 50 50 120 200 300 420 Variable cost 50 120 200 300 Total cost ($) 420 100 150 220 300 400 520 Total cost ($) 100 150 220 300 400 520 Marginal cost ($) AVariable cost ($)/ AQuantity
Costs and Profit Maximization: Work It Out 1 Suppose Margie decides to lease a photocopier and open up a black-and-white photocopying service in her dorm room for use by faculty and students. Her total cost, as a function of the number of copies she produces per month, is given in the table. Number of Photocopies Per Month Total Cost Fixed Cost Variable Cost Total Revenue Profit 0 $100 1,000 $110 2,000 $125 3,000 $145 4,000 $175 5,000 $215 6,000 $285 a. Fill in the missing numbers in the table, assuming that Margie can charge 6 cents per black-and-white copy. Margie's fixed cost is: $ Variable cost, 0 photocopies/month: $ Variable cost, 1,000 photocopies/month: $ Variable cost, 2,000 photocopies/month: $ Variable cost, 3,000 photocopies/month: $ Variable cost, 4,000 photocopies/month: $…
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Consider the same firm from the Monday assignment but now let's call that cost schedule total variable cost. Q 1 2 3 4 5 6 7 8 9 TVC 12 20 24 28 34 42 52 64 78 And let's imagine that there is fixed costs of 18 which is sunk in the short run. a. Show this firm's average total cost, average variable cost and marginal cost on a graph. Indicate the efficient scale (I don't think the book uses the words "efficient scale" but it's the quantity where profit would be zero when P=MC. We will discuss what I mean by "efficient scale but probably not before Thursday. By "indicate" I mean give the quantity and MC. I don't need every point to be exactly to scale, I just care about the general shape of the curves, where things cross and the location and…
Use the following table to answer the next question. Output 0 1 2 3 4 5 Total Cost $5 9 12 15 20 27 The average total cost of producing 4 units of output is $ type your answer... Marginal cost is equal to average total cost between type your answer... and type your answer... units of output.
The table below shows the weekly cost of producing cowboy hats. Complete the table by filling in the missing values. Instructions: Round your answers to 1 decimal place. Cowboy Hat Production Costs Total Fixed Cost (dollars) $2,000 Total Variable Cost (dollars) Total Cost (dollars) $2,000 Average Fixed Cost (dollars) Average Variable Cost (dollars) Average Total Cost (dollars) Output $0 10 300 24 $4 $230 20 2,460 23 123 30 660 66.7 22 40 2,900 72.5 50 1,200 24
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