Imperfect Competition
One serious deviation from an efficient market comes from imperfect competition or monopoly elements. Whereas under perfect competition no firm or consumer can affect prices, imperfect competition occurs when a buyer or seller can affect a good's price. For example, if the telephone company or a labor union is large enough to influence the price of phone service or labor, respectively, some degree of imperfect competition has set in. When imperfect competition arises, society may move inside...
Example 112
RELATIONSHIP BETWEEN COMPENSATION AND PRODUCTIVITY THE GLEJSER TEST Continuing with Example 11.1, the absolute value of the residuals obtained from regression 11.5.3 were regressed on average productivity X , giving the following results se 633.1621 0.0675 r2 0.0127 11.5.5 As you can see from this regression, there is no relationship between the absolute value of the residuals and the regressor, average productivity. This reinforces the conclusion based on the Park test. Spearman's Rank...
Making Foreign Policy
In attempting to achieve the nation's foreign policy goals, both the president and Congress have Important roles to play. foreign policy, national security, treaty, executive agreement, ambassador, trade sanction, embargo Comparing and Contrasting As you read, complete a chart like the one below to compare the role of Congress In foreign policy to that of the president. U.S. foreign policy What are the roles of Congress and the president In conducting foreign policy U.S. foreign policy What are...
The Dollar and Interest Rates 19732002
FIGURE 8 Value of the Dollar and Interest Rates, 1973-2002 Sources Federal Reserve real interest rate from Figure 1 in Chapter 4. FIGURE 8 Value of the Dollar and Interest Rates, 1973-2002 Sources Federal Reserve real interest rate from Figure 1 in Chapter 4. to climb sharply, and at the same time so did the dollar. After 1984, the real interest rate declined substantially, as did the dollar. Our model of exchange rate determination helps explain the rise and fall in the dollar in the 1980s. As...
Questions For Review Ykk
1. Draw the short-run trade-off between inflatkw and unemployment. How might the Fed move the economy from one point on this curve to another 2. Draw the long-run trade-off between inflatkw and unemployment. Explain how the short-run and long-run trade-offsare related. 3. What is natural about the natural rate of unemployment Why might the natural rate of unemployment differ across countries ply shock, such as an increase in world oil prkvs, gives policymakers a less favorable trade-off between...
Problems And Applications Bex
1. What components of GDP if any would each of the following transactions affect Lxplain. a. A family buys a new refrigerator. c. Ford sells a Mustang from its inventory. f. Your parents buy a bottle of French wine. g. Honda expands its factory in Marysville. Ohio. 2. The government purchases component of GDP does not include spending on transfer payments such as Social Security. Thinking about the definition of CDP, explain why transfer payments are excluded. 3. As the chapter states, GDPd x'S...
Chapter 13 Assessment and Activities
Self-Check Quiz Visit the Economics Principles and Practices Web site at epp.glencoe.com and click on Chapter 13 Self-Check Quizzes to prepare for the chapter test. Self-Check Quiz Visit the Economics Principles and Practices Web site at epp.glencoe.com and click on Chapter 13 Self-Check Quizzes to prepare for the chapter test. Examine the pairs of words below. Then write a sentence explaining what each of the pairs have in common. 2. Gross National Product, Net National Product 3. household,...
Simplest ProblemNecessary Conditions
The simplest problem in calculus of variations had the values of the state variable at both endpoints fixed. But the simplest problem in optimal control involves a free value of the state variable at the terminal point. To find necessary conditions that a maximizing solution u t , x t , i0 lt s i to problem 1.1 - 1.3 must obey, we follow a procedure reminiscent of solving a nonlinear programming problem with Lagrange multipliers see Section A5 . Since the constraining relation 1.2 must hold at...
Review questions Ghj
1 Explain why it is important for managers to know the principles of price discrimination. 2 Explain the relationship between a product line and joint products. 3 Assuming that there is no external market for the product, how should a firm determine the optimal transfer price for an intermediate product 4 Explain how the price elasticity for a product is likely to change during the product life-cycle. 5 Explain the meaning and significance of the concept of perceived value. How is it related to...
Questions for study and review Msm
1 Volatile prices of primary export products result in unstable export earnings for many LDCs. How will earnings be affected by price stabilization pacts 2 Falling computer prices do not seem to be a source of hardship in the United States. Why are falling prices of primary commodities in LDCs a serious problem 3 Nominal tariff rates in industrial countries commonly increase with the stage of processing. Why exactly do LDCs object to such a tariff structure 4 In a country with tariffs on a wide...
Model Comparison and Marginal Likelihood Computation
For a Bayesian approach to model comparison one can compute the Bayes factor see Kass and Raftery 1995 for an in-depth discussion . The Bayes factor, BFi2, for comparing two models Mi and M2 with equal prior probabilities is BFi2 p YMi exp lnp Y Mi lnp YM , 2.11 p Y M2 where p Y Ms is the marginal likelihood for model s as in 2.7 with an explicit conditioning on a particular model . The second representation in 2.11 is useful since the marginal likelihood algorithm we will employ yields the log...
Review Questions Axu
1. If the market demand curve is D p 100 .5p, what is the inverse demand curve 2. An addict's demand function for a drug may be very inelastic, but the market demand function might be quite elastic. How can this be 3. If D p 12 2p, what price will maximize revenue 4. Suppose that the demand curve for a good is given by D p 100 p. What price will maximize revenue 5. True or false In a two good model if one good is an inferior good the other good must be a luxury good.
Questions for Review
1 What is the difference between a market and an industry Are there interactions among firms in different industries that you might describe as taking place within a single market 2. It is often said that a good theory is one that can in principle be refuted by an empirical, data-ori-ented study. Explain why a theory that cannot be evaluated empirically is not a good theory. 3. In Example 1.1, both the additional-worker and the discouraged-worker theories are economic in nature, because they...
A Csse Study
PROTECTING THE ENVIRONMENT IS ENOUGH BEING DONE One of the sharpest debates of the last three decades has been over the state of the environment. Squaring off are business interests, who often view environmental regulations as unnecessary and costly, and environmental groups, who see such regulations as key to saving the planet. Many analysts maintain that the earth is fragile, and that current economic activities are on the verge of damaging the planet in a fundamental way. Other analysts...
Envy and Equity
Let us now try to formalize some of these ideas. What do we mean by symmetric or equitable anyway One possible set of definitions is as follows. We say an allocation is equitable if no agent prefers any other agent's bundle of goods to his or her own. If some agent i does prefer some other agent fs bundle of goods, we say that i envies j. Finally, if an allocation is both equitable and Pareto efficient, we will say that it is a fair allocation. These are ways of formalizing the idea of symmetry...
Concept Checkers Ior
1. A firm operating under conditions of pure competition will A. face a vertical demand curve. B. generate zero economic profit in the long run. C. produce a quantity where marginal revenue is less than marginal cost. 2. Under pure competition, a firm will experience economic losses when 3. A price-taker firm will increase output as long as A. marginal revenue is positive. B. marginal revenue is greater than marginal cost. C. marginal revenue is greater than the average cost. 4. Which of these...
Marshall
According to my reckoning we are getting to the end of these lectures. There is another lecture on Wednesday, when I shall deal with the semimodern development of monetary theory and fluctuations, but today I want to deal with Alfred Marshall. Now, all the other leading participants in the so-called marginal revolution were very unkind to classical political economy as developed from Hume and Adam Smith and the nineteenth-century people. Their complaints were of various degrees of plausibility....
Thinking Critically 1
1. Drawing Conclusions Why is the misery index a more personal measure of the social costs of instability than other concepts, such as the GDP gap 2. Making Comparisons How do aggregate supply and demand differ from simple supply and demand Use a chart similar to the one below
Reviewing the Facts 1
1. List two measures used to describe the problems of growth and economic instability. 2. Name some of the social costs of instability. 3. Describe the difference between the supply curve of a firm and the aggregate supply curve. 4. Identify the factors that would cause the aggregate demand curve to increase. 5. Discuss what is meant by macroeconomic equilibrium. 6. Identify the major tools of fiscal policy. 7. List the main assumptions of supply-siders. 8. Describe the short-term and long-term...
Chapter 9 Assessment and Activities
Self-Check Quiz Visit the Economics Principles and Practices Web site at epp.glencoe.com and click on Chapter 9 Self-Check Quizzes to prepare for the chapter test. On a separate sheet of paper, choose the letter of the term tax b. corporate income tax i. proportional tax c. estate tax j. regressive tax d. excise tax k. sales tax g. individual income tax principle 1. annual adjustment of tax brackets to keep pace with inflation 2. average tax per dollar decreases as taxable income increases 3....
HpcportOriented Industrialization Hgie East Asian Miracle
As pointed out previously, in the 1950s and 1960s it was widely believed that developing countries could create industrial bases only by substituting domestic manufactured goods for imports. From the mid-1960s onward, however, it became increasingly apparent that there was another possible path to industrialization via exports of manufactured goods, primarily to advanced nations. Moreover, the countries that developed in this manner a group that the World Bank now refers to as the high...
Microfoundations of macroeconomics individual equations
In The General Theory, Keynes rationalized the key aggregate relationships such as the consumption function and the investment function with reference to individual behavior. In The Keynesian Revolution 1947 , Klein emphasized the desirability of securing the microfoundational underpinnings of each of these functions. A reciprocal effort to develop the econometrics of individual equations of the large macromodels and their theoretical, microeconomic underpinnings was a substantial focus of...
Definition and conditions
Price discrimination has been defined in a number of different ways. The simplest definition relates to the situation where a firm sells the same product at different prices to different customers. However, the most useful definition involves a firm selling the same or similar products at different prices in different markets, where such price differentials are not based on differences in marginal cost. This latter definition covers a broader range of situations and leads to a greater...
Monetary Targeting
In many countries, exchange-rate targeting is not an option, because either the country or bloc of countries is too large or because there is no country whose currency is an obvious choice to serve as the nominal anchor. Exchange-rate targeting is therefore clearly not an option for the United States, Japan, or the European Monetary Union. These countries must look to other strategies for the conduct of monetary policy, one of which is monetary targeting. Monetary In the 1970s, monetary...
Cost of debt
It is helpful, as usual, to make some simplifying assumptions in order to calculate this cost. We shall assume that only one form of debt is used, twenty-year bonds, that the interest rate on these bonds is fixed rather than floating, and that the payment schedule for this debt is known in advance of the issue. Most new bonds are sold at par value, meaning face value, and therefore the coupon interest rate is set at the rate of return required by investors. If we take a normal bond with a par...
py y2 pyl vZM vl 412 o
Hence, if firm 2 believes that firm 1 will respond in this way, then firm 2 will not expect to profit from violating its quota. The nature of firm l's punishment can be most easily seen by thinking about the case of asymmetric market shares. Suppose that firm 1 produces twice as much output as firm 2 in the cartel equilibrium. Then it has to threaten to punish any deviations from the cartel output by producing twice as much as its rival. On the other hand, firm 2 has to only threaten to produce...
Walrass mature comprehensive model Competition
Walras was the first economist to construct a complete general equilibrium model, the mature comprehensive model set forth in the second edition of the El ments 1889 . It is called comprehensive because it encompasses exchange, production, consumption, capital formation, and money and mature to differentiate it from the models in the first and fourth editions. In that model, Walras not only expressed the belief that all economic phenomena are interrelated, which had been done by many economists...
Prices the communication of knowledge and the discovery process
Among the fundamental contributions that Professor Hayek has made to economic science, certainly one of the most significant and far-reaching must be judged to be his path-breaking articulation of the nature of the 'economic problem which society faces' Hayek 1949b 77 . It was in this context that Hayek decisively drew the attention of the economics profession to the unique problems that arise from the dispersal ofknowledge. The economic problem of society is not merely a problem of how to...
Figure 89
Alternative Plants for Production of Expected 5,000 Units of Output Unit costs are lower for plant A than for plant B between 4,500 and 5,500 units of output. Outside this range, plant B has lower unit costs. When economies of scale are substantial, larger firms are able to achieve lower costs of production or distribution than their smaller rivals. These cost advantages translate into higher and more stable profits and a permanent competitive advantage for larger firms in some industries. When...
Ivo Welch
Professor of Finance and Economics Brown University Have I hie godda deal for you. To be published by Addison-Wesley-Pearson-Prentice-Hall P amp C . Far and away, the most important contributor to this book was Mary-Clare McEwing. As editor, she helped me improve the substance of the book tremendously. Donna Battista and Matthew Spiegel also played very important roles. The reviewers of earlier drafts of the book spent an enormous amount of time and provided me with many great ideas. I owe them...
Jgthtdt 09
for every continuous function h t defined on f0, f, and satisfying 3 , then g t 0 for f0 lt t lt proof. Suppose the conclusion is not true, so g t is nonzero, say positive, for some t. Then, since g is continuous, g t gt 0 on some interval a, b in fn, M- We construct a particular h t satisfying the conditions of Lemma 1, namely Figure 3.2 ,
Microeconomics Of Resource Markets
2. KEY QUESTION Explain why economic rent is a surplus payment when viewed by the economy as a whole but as a cost of production from the standpoint of individual firms and industries. Explain Rent performs no 'incentive function' in the economy. 3. If money is not an economic resource, why is interest paid and received for its use What considerations account for the fact that interest rates differ greatly on various types of loans Use those considerations to explain the relative sizes of the...
io Banking Industry Structure and Competition
The operations of individual banks how they acquire, use, and manage funds to make a profit are roughly similar throughout the world. In all countries, banks are financial intermediaries in the business of earning profits. When you consider the structure and operation of the banking industry as a whole, however, the United States is in a class by itself. In most countries, four or five large banks typically dominate the banking industry, but in the United States there are on the order of 8,000...
Figure 117
Optimum reflux ratio in distillation operation. As indicated in Fig. 11-7, the optimum reflux ratio occurs at the point where the sum'of fixed charges and operating costs is a minimum. As a rough approximation, the optimum reflux ratio usually falls in the range of 1.1 to 1.3 times the minimum reflux ratio. The following example illustrates the general method for determining the optimum reflux ratio in distillation operations. Example 6 Determination of optimum reflux ratio. A sieve-plate...
Demand Revelation
We have seen above that majority voting, even if it leads to a well-defined outcome, will not necessarily provide the correct incentives for people to honestly reveal their true preferences. In general, there will be an incentive to misrepresent preferences in order to manipulate the voting outcome. This observation leads to the issue of what other methods there might be that would ensure that individuals have the proper incentives to correctly reveal their true preferences about a public good....
How Economic Fluctuations Affect Spending Taxes And The Federal Budget
Economic fluctuations affect both transfer payments and tax revenues. In a recession, in which many people lose their jobs, the federal government contributes larger amounts to state-run unemployment insurance systems and pays more in transfers to the poor, since more families qualify for these types of assistance. Thus, a recession causes transfer payments to rise. Recessions also cause a drop in tax revenue, because household income and corporate profits two important sources of tax revenue...
ISLM Model and the Aggregate Demand Curve
We now examine further what happens in the ISLM model when the price level changes. When we conduct the ISLM analysis with a changing price level, we find that as the price level falls, the level of aggregate output rises. Thus we obtain a relationship between the price level and quantity of aggregate output for which the goods market and the market for money are in equilibrium, called the aggregate demand curve. This aggregate demand curve is a central element in the aggregate supply and...
Summary And Conclusions Khs
1. Estimation and hypothesis testing constitute the two main branches of classical statistics. Having discussed the problem of estimation in Chapters 3 and 4, we have taken up the problem of hypothesis testing in this chapter. 2. Hypothesis testing answers this question Is a given finding compatible with a stated hypothesis or not 3. There are two mutually complementary approaches to answering the preceding question confidence interval and test of significance. 4. Underlying the...
Questions and Problems Glm
Questions marked with an asterisk are answered at the end of the book in an appendix, Answers to Selected Questions and Problems. 1. If the pension fund you manage expects to have an inflow of 120 million six months from now, what forward contract would you seek to enter into to lock in current interest rates 2. If the portfolio you manage is holding 25 million of 8s of 2023 Treasury bonds with a price of 110, what forward contract would you enter into to hedge the interest-rate risk on these...
Problems And Applications Gmz
1. Each of the following situations involves moral hazard. In cach ease, identify the principal and the agent, and explain why there is asymmetric information. How does the action described reduce the problem of moral hazard a. Landlords require tenants to pay security deposits. b. Firms compensate top executives with options to buy company stock at a given price in the future. c. Car insurance companies offer discounts to customers who install antitheft devices in their cars. 2. Suppose that...
Using Economic Analysis to Predict the Future Hwy
Answer the remaining questions by drawing the appropriate exchange market diagrams. 7. The president of the United States announces that he will reduce inflation with a new anti-inflation program. If the public believes him, predict what will happen to the U.S. exchange rate. 8. If the British central bank prints money to reduce unemployment, what will happen to the value of the pound in the short run and the long run 9. If the Canadian government unexpectedly announces that it will be imposing...
Analysis Questions
10. Firms that make a profit have increased the value of the resources they used their actions created wealth. In contrast, the actions of firms that make losses reduce wealth. The discovery and undertaking of profit-making opportunities are key ingredients of economic progress. Evaluate the statement. 11. Is profit maximization consistent with the self-interest of corporate owners Is it consistent with the self-interest of corporate managers Is there a conflict between the self-interests of...
PriceOutput Determination
Suppose that Midwest State University MSU wants to reduce the athletic department's operating deficit and increase student attendance at home football games. To achieve these objectives, a new two-tier pricing structure for season football tickets is being considered. A market survey conducted by the school suggests the following market demand and marginal revenue relations PP 225 - 0.005QP PS 125 - 0.00125QS MRP ATRP AQP 225 - 0.01QP MRS ATRS AQS 125 - 0.0025QS From these market demand and...
Chapter Summary
An industry analysis provides an overview of the potential profitability of the average firm in an industry. A comprehensive analysis examines the five forces internal rivalry, entry, substitutes, buyer power, and supplier power. The latter four operate independently and may also intensify internal rivalry. Internal rivalry is fierce if competition drives prices toward costs. This is more likely when there are many firms, products are perceived to be homogeneous, consumers are motivated and...
R Eview Questions
1. What causal relationship does the aggregate demand curve describe Why does the AD curve slope downward What does each point on the AD curve represent 2. Only spending shocks can shift the aggregate demand curve. True or false Explain. 3. List three reasons why a change in output affects unit costs and subsequently the price level. 4. What causal relationship does the aggregate supply curve describe Why does the AS curve slope upward 5. Why does equilibrium occur only where the AD and AS...
Plant Design And Economics For Chemical Engineers Table 23
Cost tabulation for selected utilities and laborft 1989 costs based on U.S. Gulf Coast location Pressure of 100 psig, 1000 lb 2.40 Pressure of 500 psig, 1000 lb 3.60 Fuel costs Gas at well head including gathering-system costs Existing contracts, million Btu 2.40 New contracts, S million Btu 3.00 Fuel oil in million Btu with 6.25 million Btu bbl 3.00 Gas transmission costs in 0 100 miles 7.30 Plant fuel gas in S million Btu 3.20 Purchased power for ntidcontinent USA in i kWh 7.00 Process water...
Questions and Problems Aoi
Questions marked with an asterisk are answered at the end of the book in an appendix, Answers to Selected Questions and Problems. 1. Calculate the value of the consumption function at each level of disposable income in Table 1 if a 100 and mpc 0.9. 2. Why do companies cut production when they find that their unplanned inventory investment is greater than zero If they didn't cut production, what effect would this have on their profits Why 3. Plot the consumption function C 100 0.75Y on graph...
Openeconomy Macroeconomics Basic Concepts
Learn how net exports measure the international flow of goods and services Learn how net foreign investment measures the international flow of capital Consider why net exports must always equal net foreign investment See how saving, domestic investment, and net foreign investment are related When you decide to buy a car, you may compare the latest models offered by Ford and Toyota. When you take your next vacation, you may consider spending it on a beach in Florida or in Mexico. When you start...
The Bright Budgetary Future How Certain
Try your hand at managing the budget by using the National Budget Simulation http socrates. berkeley.edu 3333 budget budget.html . of Congress, not to take positions in political debates. Although some of the CBO's studies have been controversial, its research methods and conclusions are on the whole widely used and widely respected by both Democrats and Republicans. However, just because the CBO's projections are honest does not mean they are reliable. Projections especially those made over...
Pow Output Is Determined In the Short Run
Having discussed the factors that influence the demand for an open economy's output, we now study how output is determined in the short run. We show in this section that the output market is in equilibrium when real output, Y, equals the aggregate demand for domestic output The equality of aggregate supply and demand therefore determines the short-run equilibrium output level.5 Our analysis of real output determination applies to the short run because we assume that the money prices of goods...