PRINCIPLES OF MICROECONOMICS (OER)
2nd Edition
ISBN: 9781947172340
Author: Timothy Taylor, Steven A. Greenlaw
Publisher: OpenStax
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Textbook Question
Chapter 7, Problem 17RQ
What is the difference between fixed costs and variable costs?
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2. Consider a world of two countries: Highland (H) and Lowland (L). Each country has an
average output of 9 and desires to smooth consumption. All income takes the form of capital
income and is fully consumed each period. Initially, there are two states of the world: Pandemic
(P) and Flood (F) each occurring with 50% probability. Pandemic affects Highland and lowers
the output there to 8, leaving Lowland unaffected with an output of 10. Flood affects Lowland
and lowers the output there to 8, leaving Highland unaffected with an output of 10.
a. Assume that households in each country own the entire capital stock of their own land. Fill
in the numbers on the following table.
Pandemic
Highland's income
Lowland's income
Flood
Variation about the mean
b. Assume that each country owns 50% of the other country's capital. Fill in the numbers on
the following table.
Pandemic
Flood
Variation about the mean
Highland's income
Lowland's income
c. Compare your answer to (a) and (b). Does…
3. This question explores IS and FX equilibria in a numerical example.
a. The consumption function is C = 1.5 + 0.8(Y - T). What is the marginal propensity to
consume (MPC)? What is the marginal propensity to save (MPS)?
b. The trade balance is TB = 5 [1-()] -
(0.2(Y-8). What is the marginal propensity to
consume foreign goods (MPCF)? What is the marginal propensity to consume home
goods(MPCH)?
c. The investment function is I = 3 - 10i. What is investment when the interest rate is equal
to 0.10=10%.
d. Assume government spending is G. Add up the four components of demand and write down
the expression for D. Make sure that you simplify the equation.
e. Derive the equation for the good market equilibrium using Y = D.
1. A firm has the following demand function: P = 60 – 0.5Q and its total cost is defined by TC= 13+ Qa. Find the maximum revenue b. Find the production to optimize the profit. c. Verify if the marginal revenue and marginal cost are the same at the profit-maximizing productionlevel. Exercise 6From the point of view of the firm, what decision criteria have been found relevant in the analysis ofproduction and profit? Provide two refernces with your answer.
Chapter 7 Solutions
PRINCIPLES OF MICROECONOMICS (OER)
Ch. 7 - A firm had sales revenue of 1 million last year....Ch. 7 - Continuing from Exercise 7.1, the films factory...Ch. 7 - The WipeOut Ski Company manufactures skis for...Ch. 7 - Based on your answers to the WipeOut Ski Company...Ch. 7 - If two painters can paint 200 square feet of wall...Ch. 7 - Return to the problem explained in Table 7.13 and...Ch. 7 - Suppose the cost of machines increases to 55,...Ch. 7 - Automobile manufacturing is an industry subject to...Ch. 7 - What are explicit and implicit costs?Ch. 7 - Would you consider an interest payment on a loan...
Ch. 7 - What is die difference between accounting and...Ch. 7 - What is a production function?Ch. 7 - What is the difference between a fixed input and a...Ch. 7 - How do we calculate marginal product?Ch. 7 - What shapes would you generally expect a total...Ch. 7 - What are the factor payments for land, labor, and...Ch. 7 - What is the difference between fixed costs and...Ch. 7 - How do we calculate each of the following:...Ch. 7 - What shapes would you generally expect each of the...Ch. 7 - Are there fixed costs in the lung-run? Explain...Ch. 7 - Are fixed costs also sunk costs? Explain.Ch. 7 - What are diminishing marginal returns as they...Ch. 7 - Which costs are measured on per-unit basis: fixed...Ch. 7 - What is a production technology?Ch. 7 - In choosing a production technology, how will...Ch. 7 - What is a long-run average cost curve?Ch. 7 - What is the difference between economies of scale,...Ch. 7 - What shape of a long-run average cost curve...Ch. 7 - Why will firms in most markets be located at or...Ch. 7 - Small Mom and Pop firms, like inner city grocery...Ch. 7 - A common name for fixed cost is overhead. If you...Ch. 7 - How does fixed cost affect marginal cost? Why is...Ch. 7 - Average cost curves (except for avenge fixed cost)...Ch. 7 - What is the relationship between marginal product...Ch. 7 - It is clear that businesses operate in the short...Ch. 7 - Retune to Table 7.2. In the top half of the table,...Ch. 7 - How would an improvement in technology, like the...Ch. 7 - Do you think that the taxicab industry in large...Ch. 7 - A firm is considering an investment that will earn...Ch. 7 - Return to Figure 7.7. What is the marginal gain in...Ch. 7 - Compute the average total cost, average variable...Ch. 7 - A small company that shovels sidewalks and...
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