Pindyck And Rubinfeld Microeconomics Solutions Pdf

pindyck and rubinfeld microeconomics solutions pdf

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As understood, finishing does not suggest that you have fantastic points. Chapter 1 PowerPoint. Monte Vista Microeconomics

Instructor's Resource Manual (Download only) for Microeconomics, 8th Edition

Chapter 2 The Basics of Supply and Demand Teaching Notes This chapter reviews the basics of supply and demand that students should be familiar with from their introductory economics courses. You may choose to spend more or less time on this chapter depending on how much review your students require. Chapter 2 departs from the standard treatment of supply and demand basics found in most other intermediate microeconomics textbooks by discussing many real-world markets copper, office space in New York City, wheat, gasoline, natural gas, coffee, and others and teaching students how to analyze these markets with the tools of supply and demand.

The real-world applications are intended to show students the relevance of supply and demand analysis, and you may find it helpful to refer to these examples during class. You should stress the ceteris paribus assumption, and explain that all variables except price are held constant along a supply or demand curve. So movements along the demand curve occur only with changes in price. When one of the omitted factors changes, the entire supply or demand curve shifts. This gives you a chance to discuss substitutes and complements and also normal and inferior goods.

This demonstration helps students understand that the other variables are actually in the demand function and are merely lumped into the intercept term when we draw a demand curve.

The same, of course, applies to supply curves as well. Since we plot price on the vertical axis, the inverse demand function is very useful. You can demonstrate this if you use an example as suggested above and plot the resulting demand curves. Students also can have difficulties understanding how a market adjusts to a new equilibrium. For example, suppose demand increases. Students typically recognize that price must increase, but some go on to say that supply will also have to increase to satisfy the increased level of demand.

This may be a case of confusing an increase in quantity supplied with an increase in supply, but I have seen many students draw a shift in supply, so I try to get this cleared up as soon as possible. The concept of elasticity, introduced in Section 2.

It is important to stress the fact that any elasticity is the ratio of two percentages. Use lots of concrete examples to convince students that firms and governments can make important. A common source of confusion is the negative value for the price elasticity of demand. We often talk about it as if it were a positive number.

Section 2. This shows students how we can estimate the quantitative not just the qualitative effects of, say, a disruption in oil supply as in Example 2. Price controls are introduced in Section 2. They think only of the initial effect on prices without realizing that shortages or surpluses are created, so this is an important topic. However, the coverage here is quite brief. Chapter 9 examines the effects of price controls and other forms of government intervention in much greater detail, so you may want to defer this topic until then.

Questions for Review 1. Suppose that unusually hot weather causes the demand curve for ice cream to shift to the right. Why will the price of ice cream rise to a new market-clearing level? Suppose the supply of ice cream is completely inelastic in the short run, so the supply curve is vertical as shown below.

The initial equilibrium is at price P1. The unusually hot weather causes the demand curve for ice cream to shift from D1 to D2, creating short-run excess demand i. Consumers will bid against each other for the ice cream, putting upward pressure on the price, and ice cream sellers will react by raising price. The price of ice cream will rise until the quantity demanded and the quantity supplied are equal, which occurs at price P2. Use supply and demand curves to illustrate how each of the following events would affect the price of butter and the quantity of butter bought and sold: a.

An increase in the price of margarine. Butter and margarine are substitute goods for most people. Therefore, an increase in the price of margarine will cause people to increase their consumption of butter, thereby shifting the demand curve for butter out from D1 to D2 in Figure 2.

This shift in demand causes the equilibrium price of butter to rise from P1 to P2 and the equilibrium quantity to increase from Q1 to Q2. Figure 2. An increase in the price of milk. Milk is the main ingredient in butter. An increase in the price of milk increases the cost of producing butter, which reduces the supply of butter.

The supply curve for butter shifts from S1 to S2 in Figure 2. Note: Butter is in fact made from the fat that is skimmed from milk; thus butter and milk are joint products, and this complicates things.

If you take account of this relationship, your answer might change, but it depends on why the price of milk increased. If the increase were caused by an increase in the demand for milk, the equilibrium quantity of milk supplied would increase. With more milk being produced, there would be more milk fat available to make butter, and the price of milk fat would fall. This would shift the supply curve for butter to the right, resulting in a drop in the price of butter and an increase in the quantity of butter supplied.

A decrease in average income levels. Assuming that butter is a normal good, a decrease in average income will cause the demand curve for butter to decrease i. This will result in a decline in the equilibrium price from P1 to P2, and a decline in the equilibrium quantity from Q1 to Q2. See Figure 2. The elasticity of demand is the percentage change in the quantity demanded divided by the percentage change in the price.

Explain the difference between a shift in the supply curve and a movement along the supply curve. A movement along the supply curve occurs when the price of the good changes.

Some examples are a change in the price of an input, a change in technology that reduces the cost of production, and an increase in the number of firms supplying the product. Explain why for many goods, the long-run price elasticity of supply is larger than the short-run elasticity.

The price elasticity of supply is the percentage change in the quantity supplied divided by the percentage change in price. In the short run, an increase in price induces firms to produce more by using their facilities more hours per week, paying workers to work overtime and hiring new workers.

Nevertheless, there is a limit to how much firms can produce because they face capacity constraints in the short run. In the long run, however, firms can expand capacity by building new plants and hiring new permanent workers. Also, new firms can enter the market and add their output to total supply. Hence a greater change in quantity supplied is possible in the long run, and thus the price elasticity of supply is larger in the long run than in the short run.

Why do long-run elasticities of demand differ from short-run elasticities? Consider two goods: paper towels and televisions. Which is a durable good? Would you expect the price elasticity of demand for paper towels to be larger in the short run or in the long run? What about the price elasticity of demand for televisions? Long-run and short-run elasticities differ based on how rapidly consumers respond to price changes and how many substitutes are available.

If the price of paper towels, a non-durable good, were to increase, consumers might react only minimally in the short run because it takes time for people to change their consumption habits. In the long run, however, consumers might learn to use other products such as sponges or kitchen towels instead of paper towels. Thus, the price elasticity would be larger in the long run than in the short run. In contrast, the quantity demanded of durable goods, such as televisions, might change dramatically in the short run.

For example, the initial result of a price increase for televisions would cause consumers to delay purchases because they could keep on using their current TVs longer. Eventually consumers would replace their televisions as they wore out or became obsolete. Therefore, we expect the demand for durables to be more elastic in the short run than in the long run. Are the following statements true or false? Explain your answers. The elasticity of demand is the same as the slope of the demand curve.

Elasticity of demand is the percentage change in quantity demanded divided by the percentage change in the price of the product.

In contrast, the slope of the demand curve is the change in quantity demanded in units divided by the change in price typically in dollars. The difference is that elasticity uses percentage changes while the slope is based on changes in the number of units and number of dollars.

The cross-price elasticity will always be positive. This elasticity will be positive for substitutes an increase in the price of hot dogs is likely to cause an increase in the quantity demanded of hamburgers and negative for complements an increase in the price of hot dogs is likely to cause a decrease in the quantity demanded of hot dog buns.

The supply of apartments is more inelastic in the short run than the long run. In the short run it is difficult to change the supply of apartments in response to a change in price.

Increasing the supply requires constructing new apartment buildings, which can take a year or more. Therefore, the elasticity of supply is more inelastic in the short run than in the long run. Suppose the government regulates the prices of beef and chicken and sets them below their market-clearing levels. Explain why shortages of these goods will develop and what factors will determine the sizes of the shortages. What will happen to the price of pork?

Explain briefly. If the price of a commodity is set below its market-clearing level, the quantity that firms are willing to supply is less than the quantity that consumers wish to purchase. The extent of the resulting shortage depends on the elasticities of demand and supply as well as the amount by which the regulated price is set below the market-clearing price. For instance, if both supply and demand are elastic, the shortage is larger than if both are inelastic, and if the regulated price is substantially below the market-clearing price, the shortage is larger than if the regulated price is only slightly below the market-clearing price.

Customers whose demands for beef and chicken are not met because of the shortages will want to purchase substitutes like pork. This increases the demand for pork i.

Instructor's Resource Manual (Download only) for Microeconomics, 8th Edition

Microeconomics Csu Exam 2. After you've taken a sample test, you can check your results by clicking "Check Your Work" at the bottom. Prep for a quiz or learn for fun! So what's with macroeconomics? This is even more visible when it comes to macroeconomics than microeconomics. Microeconomics Practice Final Exam With Solutions Thank you very much for downloading intermediate microeconomics practice final exam with solutions.

Chapter 2 The Basics of Supply and Demand Teaching Notes This chapter reviews the basics of supply and demand that students should be familiar with from their introductory economics courses. You may choose to spend more or less time on this chapter depending on how much review your students require. Chapter 2 departs from the standard treatment of supply and demand basics found in most other intermediate microeconomics textbooks by discussing many real-world markets copper, office space in New York City, wheat, gasoline, natural gas, coffee, and others and teaching students how to analyze these markets with the tools of supply and demand. The real-world applications are intended to show students the relevance of supply and demand analysis, and you may find it helpful to refer to these examples during class. You should stress the ceteris paribus assumption, and explain that all variables except price are held constant along a supply or demand curve.


Microeconomics / Robert S. Pindyck, Daniel L. Rubinfeld. – 8th ed. detailed solutions to all end-of-chapter Questions for Review and Exercises. The eighth.


Instructor's Resource Manual (Download only) for Microeconomics, 8th Edition

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