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In some cases, lawmakers make investments in physical capital as a way of spending money in the districts of key politicians. The result may be unnecessary roads or office buildings. Even if a project is useful and necessary, it might be done in a way that is excessively costly, because local contractors who make campaign contributions to politicians appreciate the extra business. On the other hand, governments sometimes do not make the investments they should because a decision to spend on infrastructure does not need to just make economic sense; it must be politically popular as well. Managing public investment so that it is done in a cost-effective way can be difficult.

If a government decides to finance an investment in public physical capital with higher taxes or lower government spending in other areas, it need not worry that it is directly crowding out private investment. Indirectly however, higher household taxes could cut down on the level of private savings available and have a similar effect. If a government decides to finance an investment in public physical capital by borrowing, it may end up increasing the quantity of public physical capital at the cost of crowding out investment in private physical capital, which is more beneficial to the economy would be dependent on the project being considered.

Public investment in human capital

In most countries, the government plays a large role in society's investment in human capital through the education system. A highly educated and skilled workforce contributes to a higher rate of economic growth. For the low-income nations of the world, additional investment in human capital seems likely to increase productivity and growth. For the United States, tough questions have been raised about how much increases in government spending on education will improve the actual level of education.

Among economists, discussions of education reform often begin with some uncomfortable facts. As shown in [link] , spending per student for kindergarten through grade 12 (K–12) increased substantially in real dollars through 2010. The U.S. Census Bureau reports that current spending per pupil for elementary and secondary education rose from $5,001 in 1998 to $10,608 in 2012. However, as measured by standardized tests like the SAT, the level of student academic achievement has barely budged in recent decades. Indeed, on international tests, U.S. students lag behind students from many other countries. (Of course, test scores are an imperfect measure of education for a variety of reasons. It would be difficult, however, to argue that there are not real problems in the U.S. education system and that the tests are just inaccurate.)

Total spending for elementary, secondary, and vocational education (1998–2014) in the united states

The line graph shows that government spending on education has continually increased from 1998 up until 2006, where it leveled off. In 2008, it increased dramatically from $35 to over $70 million. Since 2010, spending has steadily decreased to a little over $40 million in 2014.
The graph shows that government spending on education was continually increasing up until 2006 where it leveled off until 2008 when it increased dramatically. Since 2010, spending has steadily decreased. (Source: Office of Management and Budget)

Questions & Answers

what is utility
Labiba Reply
Demand refers to the various quantities of a commodity a consumer is willing and able to purchase at particular price with a period of time.
Clifford Reply
perfect
Labiba
What is demand
Magdalene Reply
What is divided
Alfusainey Reply
It help us to no how to do with our money
Alfusainey
Demand curve us a graph showing the relationship between the price and quantity of a commoditiy demand
Alfusainey
Demand schedule is define as a table showing the relationship between prices and the quantity of that commoditiy demanded
Alfusainey
Demand may be defined as a quantity of good or services that consumers are walling and able to buy at a alternative prices
Alfusainey
The law of demand states that all things being equal the higher the price the lower the quantity that will be demanded vice versa
Alfusainey
The law of supply states that all things being equal the higher the price the higher the quantity of a commoditiy that will be supplied vice versa
Alfusainey
what is money
Siaw Reply
money is defined as the medium of exchange
jackie
money is anything that serves as a medium of exchange,measure of value and standard for deferred payment
Chinenye
money is legal tender that is use for buying good n service
Nak
Money is anything that has general acceptability as a medium of exchanging dabt
Alfusainey
Money is a legally or socially binding conceptual contract of entitlement to wealth, void of intrinsic value, payable for all debts and taxes, regulated in supply.
Nana
money is accepted material for buying and selling and also for payment of dept
Dora
what is economics
reekado Reply
what is the meaning of term depreciation
Niyogushimwa
I don't know tell me pls
Manuel
decrease in the valaue of currency is called depreciation.
Asit
managing the scarce resources is called economics 😉
Asit
definition of economics according to different scholars
Onesmo Reply
Economics is a science that studies human behavior as a relationship between end and scarce means which have alternative uses:by Davern spot
Dora
am I correct?
Dora
Yeah you tried
Donkiss
reason why we study economics
Moruf Reply
what is economics
Tutu Reply
economics is defined as the science which studies human behavior as a relationship between ends and scarce means which have alternative uses.
Semiat
what is a gross domestic product
Amogelang Reply
Explain what is a production possibility curve
Sharon Reply
A curve that indicates the various production possibilities of two commodities when resources are fixed...
Geoffrey
what is market?
Jasmin Reply
ware the Byers and seller's that please is called market
suresh
a place where buyers and sellers meet
Tariro
I don't like this market definition.
Jasmin
market is any arrangement whereby buyers and sellers are brought together for the purpose of transacting business. It could be a geographical location or any other means such as internet, mobile phone etc. as long as buyers and sellers are brought together for the purpose of exchange.
Agusimba
A market is a place where buyers and sellers buy and sell goods through bargaining.
Jasmin
yes ,you are correct Agusimba sir.
Jasmin
exception of the low of demond
Rohit Reply
short run AC curves?
Jasmin Reply
you mean shirt run cost curves?
REBECCA
A short-run cost curve shows the minimum cost impact of output changes for a specific plant size and in a given operating environment. Such curves reflect the optimal or least-cost input combination for producing output under fixed circumstances.
REBECCA
nooo am not from India why!?
Godwin Reply
Godwin which level of education are you please
Millionaires
millionaires am in SHS 2
Godwin

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Source:  OpenStax, Principles of economics. OpenStax CNX. Sep 19, 2014 Download for free at http://legacy.cnx.org/content/col11613/1.11
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