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The first possibility is to leave the natural monopoly alone. In this case, the monopoly will follow its normal approach to maximizing profits. It determines the quantity where MR = MC, which happens at point P at a quantity of 4. The firm then looks to point A on the demand curve to find that it can charge a price of 9.3 for that profit-maximizing quantity. Since the price is above the average cost curve, the natural monopoly would earn economic profits.

A second outcome arises if antitrust authorities decide to divide the company, so that the new firms can compete. As a simple example, imagine that the company is cut in half. Thus, instead of one large firm producing a quantity of 4, two half-size firms each produce a quantity of 2. Because of the declining average cost curve (AC), the average cost of production for each of the half-size companies each producing 2, as shown at point B, would be 9.75, while the average cost of production for a larger firm producing 4 would only be 7.75. Thus, the economy would become less productively efficient, since the good is being produced at a higher average cost. In a situation with a downward-sloping average cost curve, two smaller firms will always have higher average costs of production than one larger firm for any quantity of total output. In addition, the antitrust authorities must worry that splitting the natural monopoly into pieces may be only the start of their problems. If one of the two firms grows larger than the other, it will have lower average costs and may be able to drive its competitor out of the market. Alternatively, two firms in a market may discover subtle ways of coordinating their behavior and keeping prices high. Either way, the result will not be the greater competition that was desired.

A third alternative is that regulators may decide to set prices and quantities produced for this industry. The regulators will try to choose a point along the market demand curve that benefits both consumers and the broader social interest. Point C illustrates one tempting choice: the regulator requires that the firm produce the quantity of output where marginal cost crosses the demand curve at an output of 8, and charge the price of 3.5, which is equal to marginal cost    at that point. This rule is appealing because it requires price to be set equal to marginal cost, which is what would occur in a perfectly competitive market, and it would assure consumers a higher quantity and lower price than at the monopoly choice A. In fact, efficient allocation of resources would occur at point C, since the value to the consumers of the last unit bought and sold in this market is equal to the marginal cost of producing it.

Attempting to bring about point C through force of regulation, however, runs into a severe difficulty. At point C, with an output of 8, a price of 3.5 is below the average cost of production, which is 5.7, and so if the firm charges a price of 3.5, it will be suffering losses. Unless the regulators or the government offer the firm an ongoing public subsidy (and there are numerous political problems with that option), the firm will lose money and go out of business.

Questions & Answers

distinguish between substitution effect and income effect
albert Reply
Elucidate more on this please!
Moshood Reply
hello
Kojo
hi
Peter
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Abdal
Hi
Anamaya
Watsup
Darlington
Hello
Darlington
hi
Abdal
Who is an economist
Darlington
Hi
Ihtisham
hi
Peter
hi
Abdal
yes
Fazal
still studying
sean
The substitution effect is the change in consumption patterns due to a change in the relative prices of goods.
Moshood
Income effect is the change in consumption patterns due to the change in purchasing power.
Moshood
still freshman studying at Tubman University
Emmanuel
db awlad 97ab ghir ghatchr7ou liya chno wa93 hna wachmn level hada wla ghan7iw chi wld 9ahba fikom
Brahim
hi
Chidi
hi
bola
hey
cherie
hlw
God
Hi
Owusu
Hi
Patricia
hi
Rod
hi
shaikh
what is agriculture?
Emmanuel
what z international trade
ntaate Reply
The exchange of produce and services among different countries.
Anamaya
the exchange of good & services across international boundaries
WILSON
conditions of international trade?
Nusrat
Compare and contrast between Natural and Artificial Resources and their ultimate impacts in an economy. Give one example to support your discussion.
Angela Reply
Exemple: Diamant or uranium, fer, calcaire
Ramadan
how does interest rate affect aggregate output
kelvin Reply
what is Keynesian theory
kelvin
need a curves for typical isoquost and isoquant
kelvin
what is isoquant
kelvin
isoquat is a curve shows differnt combinations of two inputs which can produce same level of output
Majid
examples of giffen goods
Getrude
then what isoquost
Peter
, if the price of an essential food staple, such as rice, rises it may mean that consumers have less money to buy more expensive foods, so they will actually be forced to buy more rice.
Peter
that's an example
Peter
majid Khan that's the wrong definition of isoquant
The
you are defining isocost
The
isocost curve is a locus of points that shows the different combinations of commodities purchased by a consumer with a fixed budget
The
The change in fiscal policy leads to an increased level of output and interest rates is because an increase in government expenses directly affects aggregate demand. A decline in taxes result in more disposable income, consequently leading to a rise in consumption expenditure.
Peter
dats for kelvin
Peter
dats d answer for the audio how does interest rate affect aggregate output
Peter
question not audio
Peter
u are right joker
Peter
what is journal entry?
Abel
explain the nature of economics
Matilda Reply
interpret micro economic issues
Matilda
ito ang dami ng producto na nais handa at kanyang ibenta ng isang prodyuser
Jomar Reply
i dont understand
Gaabshe
even I also don't understand ..this language.. vn I converse everybody say farzana ur language is not understood by all user? now no one there is question about it?
shaikh
he is saying that "this is the amount of product it wants to be ready and sells by a producer"
Aman
I Merr has knowledge,which is the economiccircuit role in a society
Ramadan
What is diminishing returns?
Shadrach Reply
explain competitive demand
ADENIJI Reply
the demand that are compiting for sale. the buyer can substitute one for another good
Iftikhar
yg
Margarette
the demand where commodities fight for the market. in this type of demand, commodities can be substituted for the most suitable one subject to ( price, consumers choice, consumers income etc)
WILSON
Demand is said to be competitive when a commodity that is needed to satisfy wants in place of another similar goods. increase in price of a commodity X will result in increase in demand of the substitute (commmodity Y).
yusuf
examples of giffen goods are garri (cassava), maize
yusuf Reply
what is Public Finance?
kweku Reply
it's basically the field of economics that deals with the government's involvement in the economy; from spending to maybe interest rate manipulation, etc.
Matthew
examples of giffen goods
Getrude
i want to get the solutions of problems how i get kindly give guidance
Syeda Reply
please give some suggestions about getting solutions of all chapters...
Syeda
hard work
Iftikhar
and the grace of God
The
knowledge skills
MUSA
Syeda Economics is difficult. No all fields are difficult
The
what is Keynesian
AKINOLA
Keynesian economics is the theory proposed by Keynes( an economist). He proposed to manipulate demand side factors to bring economy out of depression in 1930s.
Champro
whose totaly oppossid the government intervention and give importance to agreegad demand
Iftikhar
Good afternoon my fellow forum brothers and sisters
Abdullahi Reply
no just want to know true God
Suprim
Good afternoon!!
Martha
hey is there somebody single n young like me bcoz I'm looking for
Suprim
what is facing trade offs
Nancy Reply
It is giving up a commodity to purchase another commodity
The
for example, when we have two commodities like chicken and turkey you can trade off of give up chicken to purchase turkey
The
that can also be called foregone goods
AKINOLA
it like opportunity cost
AKINOLA
it's like trade by batter
Abdullahi
Do you transform into thesecourses, in french people?
Ramadan
I can just speak french andI can just speak french and no english
Ramadan
what is elastic
Tida Reply
elastic is the change in to price and change in demand
ehtesham
Is the percentage change in quantity demand and quantity supply.
Robert
Or percentage change in price of demand and supply
Robert
Right
ehtesham
Robert Mensah you are explaining elasticity of demand
The
robert i think he talk about elastic releated to elasticity of price a proportionate change in price over qd
Iftikhar
can anyone explain what happrn her i don't understand anything
Brahim
is the percentage change in demand as price change
MUSA
sometimes price is elastic,inelastic
The
price elasticity is different from price being elastic
The
elasticity is not always the percentage change in demand as a result of changes in price. there's income elasticity and cross elasticity so it's not necessarily always price
The
elastic is when a change in price of a commodity results in a relatively a larger proportion change in the quantity demand of the commodity
Nancy

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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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