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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 are the alternatives various of economic system
olaleye Reply
what is microeconomics
Ayedun
Micro-economics refers to the branch of economics which deals with smaller unit or element of the economy.
Amadu
or Is the study of individual economic unit in a economy..
Neriel
micro economis is the studay of how Households and firms make decision and they interecr it.
mahad
what is financial intermediaries?
Imran Reply
financial intermediaries are those who are link between borrowers and lenders for.eg bank... Bank is a financial intermediary
Ajit
tnx a lot of u
Imran
most welcome
Ajit
why do you here ? why do you want to learn economics
Ajit
والله العظيم انا ماعاوز اتعلمها
انا باخدها غصب عني في الكليه حضرتك
لس كدااا
I am student of ecnomics ,
Imran
Imran
Abdi
yes Abdi temam
Imran
am good too see you
Abdi
tnx why not
Imran
b/c im student
Abdi
great, now I am sleeping see u nex time ok
Imran
ok
Abdi
OK
Ajit
what is the law of dimis
Toyin Reply
what is the feature of public ownership of production factors
Toyin
what is the demand for commodity that posses identical utilities called
Toyin
law of diminishing utility...as the quantity consumed of a commodity increases,the utility derived from each successive unit goes on decreasing... condition___ consumption of other commodities remaining the same.
Malik
sorry it's...Law of diminishing marginal utility
Malik
demand for commodities that posses identical utilities? The commodities having identical utilities are perfect substitutes...and the demand for such type of commodities is called "Competitive Demand".
Malik
thanks
Toyin
Why many people can't differentiate Economists and financial analysts
Hatimu
what is the function of the central bank in an economic?
Toyin
the central bank may lend some money to banks if necessary
konglan
what economics
Toyin Reply
Is this a question?
Tala
is the study of how societies allocate and manage their scare resources
Neriel
What is populatiin
Azer Reply
Population is a number of people living in a particular area within a particular time
Rabby
Population is the number of people living in a particular geographical area within a particular time
Rabby
how does this chat work
Dalaya
ya the ideas are good thanks friends
South
so what's the next question?
South
what is demand schedule
Toyin Reply
is a tabular representation of the quantity demanded of a particular product at a particular price over a given period of time
Loveth
thanks
Toyin
you are welcome
Loveth
ok
Hassan
What is Monetary Mass
Acha Reply
who is product of traditional economy
jamal Reply
what is elasticity
Suqlain Reply
change in quantity due to change in its price
sj
degree of responsiveness of quantity demanded or supplied due to price.change
Loveth
The law of demand and supply
RICHARD Reply
Law of demand...keep other things constant when price of commodity increases demand is decreases n price decreases demand increases.
sj
law of supply.. keep other things constant when commodity prices increase supply is also increased n price decreases supply is also decreased.
sj
Wow
RICHARD
Thank you
RICHARD
when prices increases causing demand curve to shift to left holding other variables constant.
Amos
what is the difference between quantity demanded nd price
Survival Reply
what is the difference between quantity demand and price
Md
There is an inverse relation between price and the quantity demanded...with the increase in price of a commodity, the demand for the commodity decreases and vice versa..
Malik
professor lionel Robbins define economics as a
ISAAC Reply
as the science that studies human behavior as the relationship between earn and scarce means which has alternative uses
Akon
study of wealth
Suqlain
explain the help of a production possibility diagram how the opprtunity cost of producing different combinations of goods
Leethwinna Reply
what is the measurements of elasticity
Nessa Reply
?
Ateh
what are the shift in demand
Mbah Reply
what is monopoly
Oumar
monopoly is a structure in which there's only one producer/seller for a product
Esther
The difference between change in quantity demand and change in demand
EDMOND
single seller. compare with monopsony (single buyer) & duopoly (two sellers), and oligopoly (>2 sellers) These are about distortions to an ideal competitive market.
Henry
Why is the nature of demand curve sloping downward?
Julie
Because when price increases Demand Decreases
Getu
shift in demand is a movement from one demand curve to another
Yollins

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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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