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14.2 determinants of Investment

Learning Objectives

draw a hypothetical investment need curve, and also explain what it shows about the relationship in between investment and also the attention rate. Comment on the components that can cause an investment demand curve come shift.

We will see in this section that interest prices play a key role in the decision of the preferred stock the capital and also thus the investment. Since investment is a process through which capital is increased in one duration for usage in future periods, expectation play critical role in investment as well.

You are watching: A rightward shift of the investment demand curve will

Capital is one factor of production, along with labor and natural resources. A decision come invest is a decision come use an ext capital in creating goods and services. Components that impact firms’ choices in the mix that capital, labor, and also natural resources will influence investment as well.

We will likewise see in this section that public plan affects investment. Some investment is done by government agencies together they include to the general public stock of capital. In addition, the tax and regulatory policies chosen by the general public sector can influence the investment selections of personal firms and individuals.

Interest Rates and also Investment

We often hear reports that low interest rates have created housing building or the high rates have reduced it. Such reports indicate a an unfavorable relationship in between interest rates and investment in residential structures. This relationship applies to all forms of investment: higher interest rates tend to alleviate the quantity of investment, while reduced interest rates increase it.

To check out the relationship between interest rates and also investment, mean you own a tiny factory and are considering the environment of a solar power collection device to heat your building. Friend have identified that the price of installing the system would be $10,000 and that the device would lower your energy bills by $1,000 every year. To leveling the example, we shall expect that this savings will proceed forever and that the device will never need repair or maintenance. Thus, we require to consider only the $10,000 acquisition price and the $1,000 yearly savings.

If the system is installed, it will be an addition to the funding stock and will because of this be counted together investment. Have to you purchase the system?

Suppose the your business currently has the $10,000 ~ above hand. You space considering whether to use the money for the solar power system or for the acquisition of a bond. Her decision to purchase the system or the bond will count on the interest price you can earn on the bond.

Putting $10,000 into the solar energy system generates an reliable income of $1,000 per year—the conserving the device will produce. That is a return of 10% per year. Intend the bond returns a 12% yearly interest. It thus generates interest revenue of $1,200 per year, sufficient to salary the $1,000 in heater bills and also have $200 left over. At an interest rate of 12%, the bond is the much better purchase. If, however, the interest rate on bonds to be 8%, climate the solar power system would yield a higher income 보다 the bond. At attention rates listed below 10%, you will invest in the solar energy system. At attention rates above 10%, you will certainly buy a shortcut instead. At an interest price of specifically 10%, it is a toss-up.

If you perform not have actually the $10,000 on hand and would should borrow the money to acquisition the solar power system, the interest rate still governs her decision. At interest rates below 10%, it renders sense come borrow the money and invest in the system. At attention rates over 10%, that does not.

In effect, the interest rate represents the opportunity expense of putting funds into the solar energy system rather than right into a bond. The price of placing the $10,000 into the mechanism is the attention you would certainly forgo by not purchasing the bond.

At any one time, countless investment choices hinge on the interest rate. Every decision come invest will make sense at part interest rates but not at others. The higher the attention rate, the under potential investments will certainly be justified; the reduced the attention rate, the greater the number that will certainly be justified. There is thus a negative relationship between the attention rate and the level that investment.

Figure 14.7 "The Investment demand Curve" mirrors an investment demand curveA curve that shows the amount of invest demanded in ~ each attention rate, through all other factors of invest unchanged. For the economy—a curve that mirrors the amount of invest demanded at each interest rate, with all other factors of invest unchanged. At an interest rate of 8%, the level of investment is $950 billion every year at point A. In ~ a reduced interest rate of 6%, the investment need curve mirrors that the quantity of investment demanded will climb to $1,000 billion per year at allude B. A palliation in the interest rate thus reasons a movement along the investment demand curve.

Figure 14.7 The Investment demand Curve


The investment need curve mirrors the volume of investment spending per year in ~ each attention rate, assuming every other factors of investment room unchanged. The curve shows that together the interest rate falls, the level of investment per year rises. A reduction in the interest rate from 8% to 6%, because that example, would boost investment indigenous $950 exchange rate to $1,000 billion every year, every other factors of investment unchanged.

Heads Up!

To make feeling of the relationship between interest rates and also investment, you must remember that investment is an addition to capital, and that resources is something that has actually been produced in order to produce other goods and also services. A shortcut is not capital. The acquisition of a link is not an investment. We can thus think of purchasing bonds as a jae won investment—that is, together an alternative to investment. The more attractive bonds are (i.e., the higher their attention rate), the much less attractive invest becomes. If us forget that investment is an enhancement to the funding stock and also that the acquisition of a shortcut is not investment, us can loss into the adhering to kind that error: “Higher interest rates mean a higher return top top bonds, so an ext people will acquisition them. Higher interest prices will thus lead to higher investment.” that is a mistake, that course, due to the fact that the purchase of a bond is not an investment. Higher interest rates boost the opportunity price of utilizing funds because that investment. They minimize investment.

Other factors of investment Demand

Perhaps the most crucial characteristic of the investment need curve is no its an adverse slope, but rather the fact that it move often. Back investment certainly responds to transforms in interest rates, alters in other factors appear to play a an ext important role in driving investment choices.

This section examines eight additional determinants of invest demand: expectations, the level of economic activity, the share of capital, capacity utilization, the cost of funding goods, other variable costs, technical change, and public policy. A change in any of this can transition the investment demand curve.


A adjust in the resources stock alters future production capacity. Therefore, plans to readjust the capital stock depend crucially ~ above expectations. A firm considers likely future sales; a college student weighs future in various occupations and their compelled educational and also training levels. Together expectations change in a method that rises the supposed return from investment, the investment demand curve shifts to the right. Similarly, expectations of diminished profitability shift the investment need curve to the left.

The Level of financial Activity

Firms need funding to develop goods and services. Boost in the level of manufacturing is most likely to boost demand for capital and thus command to greater investment. Therefore, boost in GDP is most likely to transition the investment demand curve to the right.

To the level that an increase in GDP increases investment, the multiplier result of one initial readjust in one or much more components of accumulation demand will certainly be enhanced. We have currently seen that the rise in manufacturing that occurs through an initial rise in accumulation demand will certainly increase family members incomes, which will increase consumption, thus creating a additional increase in accumulation demand. If the increase likewise induces this firm to rise their investment, this multiplier result will be also stronger.

The stock of Capital

The quantity of capital currently in usage affects the level of investment in 2 ways. First, due to the fact that most investment replaces capital that has actually depreciated, a greater capital stock is most likely to lead to much more investment; there will be more capital come replace. But second, a greater funding stock deserve to tend to minimize investment. The is due to the fact that investment wake up to adjust the share of capital to its preferred level. Offered that wanted level, the amount of investment required to with it will certainly be lower when the current funding stock is higher.

Suppose, for example, that actual estate analysts expect that 100,000 homes will be necessary in a details community by 2010. That will produce a boom in construction—and for this reason in investment—if the current variety of houses is 50,000. Yet it will create hardly a ripple if over there are now 99,980 homes.

How will these conflicting effects of a larger capital stock kind themselves out? since most investment occurs to change existing capital, a larger resources stock is likely to rise investment. However that larger resources stock will certainly act to minimize net investment. The much more capital currently in place, the less brand-new capital will certainly be required to reach a offered level of funding that may be desired.

Capacity Utilization

The volume utilization rateA measure of the portion of the resources stock in use. Steps the percent of the capital stock in use. Since capital usually requires downtime because that maintenance and also repairs, the measured volume utilization rate commonly falls listed below 100%. Because that example, the average production capacity utilization rate was 79.7% because that the duration from 1972 come 2007. In November 2008 it stood in ~ 72.3.

If a big percentage that the current resources stock is gift utilized, this firm are much more likely to rise investment than they would certainly if a large percentage the the capital stock to be sitting idle. During recessions, the volume utilization rate tends to fall. The truth that that company have more idle volume then depresses investment even further. During expansions, as the volume utilization rate rises, firms wanting to produce an ext often must increase investment to perform so.

The price of capital Goods

The need curve for investment mirrors the amount of invest at each interest rate, all various other things unchanged. A readjust in a variable held constant in drawing this curve shifts the curve. Among those variables is the price of resources goods themselves. If, because that example, the construction cost of new buildings rises, climate the quantity of invest at any type of interest price is likely to fall. The investment demand curve for this reason shifts to the left.

The $10,000 price of the solar power system in the example given earlier definitely affects a decision to acquisition it. We saw that purchase the device makes feeling at attention rates listed below 10% and also does not make feeling at interest rates above 10%. If the system expenses $5,000, then the interest return ~ above the investment would certainly be 20% (the yearly saving the $1,000 divided by the $5,000 initial cost), and also the investment would be undertaken at any interest rate below 20%.

Other element Costs

Firms have a variety of selections concerning how specific goods deserve to be produced. A factory, for example, can use a advanced capital facility and also relatively few workers, or it can use an ext workers and fairly less capital. The an option to use resources will be impacted by the cost of the funding goods and also the interest rate, yet it will also be affected by the cost of labor. As labor costs rise, the need for capital is likely to increase.

Our solar power collector example says that energy prices influence the need for capital as well. The presumption that the device would save $1,000 per year in energy costs must have actually been based upon the prices of fuel oil, natural gas, and also electricity. If these prices were higher, the savings from the solar energy system would be greater, boosting the need for this type of capital.

Technological Change

The implementation of brand-new technology regularly requires new capital. Alters in modern technology can hence increase the demand for capital. Breakthroughs in computer an innovation have motivated massive investments in computers. The advance of fiber-optic modern technology for transmitting signals has stimulated vast investments through telephone and also cable tv companies.

Public Policy

Public policy deserve to have far-ranging effects ~ above the need for capital. Such policies commonly seek to affect the cost of resources to firms. The Kennedy management introduced 2 such strategies in the beforehand 1960s. One strategy, increased depreciation, permitted firms come depreciate resources assets end a really short duration of time. They can report artificially high production expenses in the very first years of an asset’s life and thus report reduced profits and also pay lower taxes. Sped up depreciation go not readjust the actual rate at i m sorry assets depreciated, that course, however it cut tax payments throughout the early years of the assets’ use and thus lessened the price of stop capital.

The 2nd strategy to be the investment taxes credit, which allowed a for sure to reduce its taxation liability by a percentage of its investment throughout a period. A for sure acquiring brand-new capital can subtract a portion of the cost—10% under the Kennedy administration’s plan—from the counting it fan the government. In effect, the federal government “paid” 10% of the expense of any new capital; the investment taxation credit thus reduced the price of capital for firms.

Though less direct, a third strategy for stimulating investment would certainly be a reduction in counting on corporate profits (called the corporate revenue tax). Better after-tax profits mean that firms deserve to retain a greater section of any return on an investment.

A fourth measure come encourage greater capital accumulation is a capital gains tax rate that permits gains on assets held during a certain duration to be taxation at a different rate than various other income. When an asset such as a building is sold for much more than its purchase price, the seller the the asset is stated to have actually realized a funding gain. Together a gain can be taxation as revenue under the personal income tax. Alternatively, it might be taxed at a lower rate reserved specifically for such gains. A lower resources gains tax rate makes assets topic to the tax an ext attractive. It hence increases the need for capital. Congress diminished the resources gains tax rate from 28% to 20% in 1996 and also reduced the forced holding period in 1998. The Jobs and also Growth taxation Relief Reconciliation plot of 2003 lessened the funding gains tax more to 15% and additionally reduced the tax rate on dividend from 38% to 15%. A proposal come eliminate funding gains taxation for smaller firms was considered yet dropped prior to the stimulus invoice of 2009 to be enacted.

Accelerated depreciation, the investment tax credit, and also lower counting on corporate profits and also capital benefit all increase the demand for private physical capital. Publicly policy deserve to also affect the demands for other creates of capital. The federal federal government subsidizes state and also local government production of transportation, education, and many other infrastructure to encourage higher investment in public sector capital. Because that example, the federal federal government pays 90% of the cost of investment by local government in brand-new buses for public transportation.

Key Takeaways

The amount of investment demanded in any duration is negatively regarded the interest rate. This partnership is depicted by the investment need curve. A change in the attention rate causes a activity along the investment demand curve. A adjust in any kind of other determinant the investment reasons a change of the curve. The other components of investment incorporate expectations, the level of economic activity, the stock of capital, the volume utilization rate, the price of funding goods, other aspect costs, technological change, and also public policy.

Try It!

Show exactly how the investment need curve would certainly be affected by every of the following:

A sharp boost in counting on earnings earned through firms rise in the minimum fairy The expectation the there will certainly be a spicy upsurge in the level the economic activity An boost in the cost of brand-new capital goods an increase in interest rates rise in the level that economic activity A herbal disaster the destroys a significant fraction that the funding stock

Figure 14.8


The U.S. Economic climate was broadening in 2004, however there was a feeling that it still was no functioning as well as it could, together job development was rather sluggish. To shot to spur growth, Congress, sustained by chairman Bush, pass a law in 2004 referred to as the American Jobs creation Act that offered businesses a one-year special taxes break on any type of profits accumulating abroad that were moved to the unified States. Such earnings are dubbed repatriated profits and were estimated at the time to be about $800 billion. Because that 2005, the tax price on repatriated profits essentially fell from 25% to 5.25%.

Did the taxes break have actually the preferred effect top top the economy? come some level yes, despite business additionally found other provides for the repatriated funds. There to be 843 service providers that repatriated $312 billion that qualified because that the tax break. The Act for this reason generated about $18 billion in tax revenue, a greater level than had actually been expected. Some companies announced they to be repatriating profits and continuing to downsize. Because that example, Colgate-Palmolive brought ago $800 million and made well-known it was closing a 3rd of the factories and also eliminating 12% that its workforce. However, various other companies’ plan seemed more in line v the missions of the special taxation break—to create jobs and also spur investment.

For example, spokesman lining Mulloy the Intel, which repatriated end $6 billion, claimed the agency was building a $3-billion wafer fabrication facility and also spending $345 million on expanding existing facilities. “I can not say dollar-for-dollar exactly how much that the funding for those comes from off-shore cash,” yet he felt the the repatriated funds to be contributing come Intel’s as whole investments. Spokeswoman Margaret Graham the Bausch and Lomb, which makes eye-care products and repatriated $805 million, said, “We arrangement to use that cash for capital expenditures, investment in research and development, and paying nonofficer compensation.”

Analysts room skeptical, though, the the repatriated earnings really added to investment. The New York Times report on one examine that said it had actually not. Rather, the repatriated funds were provided for other purposes, such together stock repurchases. The dispute is that the service providers made investments the they were planning to make and also the repatriated funds essentially freed up resources for other purposes.

See more: Those Who Ascribe To Consumerism Believe That, Those Who Ascribe To Consumerism

Sources: Timothy Aeppel, “Tax rest Brings billion to U.S., But influence on rental Is Unclear,” Wall Street Journal, October 5, 2005, p. A1; Lynnley Browning, “A One-Time taxes Break conserved 843 U.S. Corporations $265 Billion,” New York Times, June 24, 2008, p. C3.

Answers to shot It! Problems

The investment need curve shifts to the left: dashboard (b). A greater minimum wage provides labor much more expensive. That company are most likely to change to higher use that capital, for this reason the investment demand curve move to the right: dashboard (a). The investment need curve move to the right: panel (a). The investment demand curve move to the left: panel (b). An increase in interest rates causes a motion along the investment need curve: panel (c). The investment need curve shifts to the right: panel (a). The have to replace funding shifts the investment demand curve to the right: panel (a).