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In this example, a small or medium plant, like S or M, will not be able to compete in the market with a large or a very large plant like L or V, because the firm that operates L or V will be able to produce and sell their output at a lower price. In this example, economies of scale operate up to point L, but beyond point L to V, the additional scale of production does not continue to reduce average costs of production.

Economies of scale

The graph shows declining average costs. The x-axis plots the quantity of production or the scale of the plant and the y-axis plots the average costs. The average cost curve is a declining function, starting at (30, 30) with plant S, declining at a decreasing rate to (150, 10) with plant L, and (200, 10) with plant V, as explained in the text.
Production Plant S, has an average cost of production of $30 per toaster oven. Production plant M has an average cost of production of $20 per toaster oven. Production plant L has an average cost of production of only $10 per toaster oven. Production plant V would still have an average cost of production of $10 per toaster oven. Thus, production plant M can produce toaster ovens more cheaply than plant S because of economies of scale, and plants L or V can produce more cheaply than S or M because of economies of scale. However, the economies of scale end at an output level of 150. Plant V, despite being larger, cannot produce more cheaply on average than plant L.

The concept of economies of scale becomes especially relevant to international trade when it enables one or two large producers to supply the entire country. For example, a single large automobile factory could probably supply all the cars purchased in a smaller economy like the United Kingdom or Belgium in a given year. However, if a country has only one or two large factories producing cars, and no international trade , then consumers in that country would have relatively little choice between kinds of cars (other than the color of the paint and other nonessential options). Little or no competition will exist between different car manufacturers.

International trade provides a way to combine the lower average production costs that come from economies of scale and still have competition and variety for consumers. Large automobile factories in different countries can make and sell their products around the world. If the U.S. automobile market was made up of only General Motors, Ford, and Chrysler, the level of competition and consumer choice would be quite a lot lower than when U.S. carmakers must face competition from Toyota, Honda, Suzuki, Fiat, Mitsubishi, Nissan, Volkswagen, Kia, Hyundai, BMW, Subaru, and others. Greater competition brings with it innovation and responsiveness to what consumers want. America’s car producers make far better cars now than they did several decades ago, and much of the reason is competitive pressure, especially from East Asian and European carmakers.

Dynamic comparative advantage

The sources of gains from intra-industry trade between similar economies—namely, the learning that comes from a high degree of specialization and splitting up the value chain and from economies of scale—do not contradict the earlier theory of comparative advantage. Instead, they help to broaden the concept.

In intra-industry trade, the level of worker productivity is not determined by climate or geography. It is not even determined by the general level of education or skill. Instead, the level of worker productivity is determined by how firms engage in specific learning about specialized products, including taking advantage of economies of scale. In this vision, comparative advantage can be dynamic—that is, it can evolve and change over time as new skills are developed and as the value chain is split up in new ways. This line of thinking also suggests that countries are not destined to have the same comparative advantage forever, but must instead be flexible in response to ongoing changes in comparative advantage.

Key concepts and summary

A large share of global trade happens between high-income economies that are quite similar in having well-educated workers and advanced technology. These countries practice intra-industry trade, in which they import and export the same products at the same time, like cars, machinery, and computers. In the case of intra-industry trade between economies with similar income levels, the gains from trade come from specialized learning in very particular tasks and from economies of scale. Splitting up the value chain means that several stages of producing a good take place in different countries around the world.

Problems

From earlier chapters you will recall that technological change shifts the average cost curves. Draw a graph showing how technological change could influence intra-industry trade.

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Consider two countries: South Korea and Taiwan. Taiwan can produce one million mobile phones per day at the cost of $10 per phone and South Korea can produce 50 million mobile phones at $5 per phone. Assume these phones are the same type and quality and there is only one price. What is the minimum price at which both countries will engage in trade?

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References

U.S. Census Bureau. 2015. “U.S. International Trade in Goods and Services: December 2014.” Accessed April 13, 2015. http://www.bea.gov/newsreleases/international/trade/2015/pdf/trad1214.pdf.

U.S. Census Bureau. U.S. Bureau of Economic Analysis. 2015. “U.S. International Trade in Goods and Services February 2015.” Accessed April 10, 2015. https://www.census.gov/foreign-trade/Press-Release/current_press_release/ft900.pdf.

Vernengo, Matias. “What Do Undergraduates Really Need to Know About Trade and Finance?” in Political Economy and Contemporary Capitalism: Radical Perspectives on Economic Theory and Policy , ed. Ron Baiman, Heather Boushey, and Dawn Saunders. M. E. Sharpe Inc, 2000. Armonk. 177-183.

Questions & Answers

Does trade war effect world economy growth?
Yes,it does
Madhu
Hi
sani
hi
how
yes
osidele
what is the difference between explicit cost and implicit cost
ustaz Reply
explicit cost:it is the cost which company made for purchasing or hiring resources from the factor owner. implicit cost : the cost of the owner of the company pay for the project.
دولت
explicit cost is that cost which is identified by the books of accounts of an organisation
Amulya
implicit cost is that cost which is not shown in the books of accounts but due to this cost organisation gets some benefits
Amulya
what is supply
Motunrayo
The willing and able to sells their goods in various price of a commodity is called supply.
Niraj
what are the laws of supply
Motunrayo
what is lonrenzo curve
osidele
What is price elasticity of demand?
Kanishka Reply
price elasticity of demand is a measure used in economics to show elasticity of quantity demanded of good or service to get a change in it's price while nothing but price changes.
Madhu
Price elasticity of demand is a measure of the change in the quantity demanded of a product in relation to its price change Price elasticity of demand = % change in quantity demand / % change in Price
Gaurav
Pls where can I found PRICE CONTROL on this app
Samuel Reply
top left corner
JUDE
A situation in an economy with one producer but many consumers
Kabali Reply
What is the theory of population according to Malthus?
Kabali
What is the Malthusian population theory?
Kabali
The Malthusian theory of population state that, where there are means of substinence like food, human beings have the tendency to procreate (ie.give birth) without restraint (ie. control).
George
he stated that population unchecked grows at a geometric progression ie 1,2,4,8,16 while the means food subsistence grows at arithmetic progression ie 1,2,3,4,5---- he declared that population has the tendency to outstrip the means of subsistence
Fung
What is money?
Kabali
money is any commodity that act as a medium of exchange
Fung
money is medium of exchange which is use in taking goods and giving some of it's worth or money value
Madhu
what is a debit card and a credit card?
Milly
a debit card is a payment card used instead of cash while purchasing
Madhu
a credit card is a payment card issued to users to enable cardholder to pay a merchant for goods and services
Madhu
oky tanx
Milly
good
ABDUL
What is an inferior good.?
Kabali
In economics, an inferior good is a good whose demand decreases when consumer income rises (or demand rises when consumer income decreases), 
Rams
what is monopoly
Richmond Reply
a market situation when there is only one seller of a product representing whole industry.
how
where one business is the dominant one in that market. It determines the market price as they are price makers. No entry, no competition.
karl
it is a market situation where is a single seller and many buyer hear the seller is the price maker the is no free entering and exit in this market
Fung
A situation in the economy where there is one producer and many consumers
Kabali
A market situation where there is one producer and many consumers.
Kabali
Balance of payments for 2018
Mahlatse Reply
what is monopoly and what is monopolaist
Javid Reply
what is the affect of rise in value of dollar ?
Shabana
monopoly"a single firm or company owns all or nearly all of the market for a given type of product or service "monopoly is a price maker ...barrier of entry ,non availability of close substitute.
Shabana
monopolistic competition or market is a situation where there are few or many firm producing identical but differentiated product .eg difference in advertisement ,packing etc
Shabana
monopolistic competition or market is a situation where there are few or many firm producing identical but differentiated product .eg difference in advertisement ,packing
jay
monopoly is a market situation ...where there is a single seller and large number of buyers deals with commodities having no close substitutes......here the sellers are price makers... there is restrictions in the entry and exit of new firms in this market structure....
lovely
what is money?
Hilary
money is a medium of exchange.....through which...commodities are bought and sold
lovely
money is a medium/means of exchange that generally accepted by law
Prince
What is tranfer earnings
Admire
what is savings income?
Limitles
transfer earning is the minimum income that a factor is willing to accept in an occupation,it is also call the supply price of a factor
Fung
what is envelope curve
Dharam
what is depreciation
Fung
depreciation means decrease in value of a assets due to normal wear or year ,means decrease in value of assets like a machine due to its daily use
ru
Refers to wear and tear of capital machinery
apule
what is meant by currency depreciation?
Shabana
an envelope curve is also call an umbrella curve it is any curve that is enclosed by being tangen t to a series of other curves
Fung
fall in the value of currency vis-a-vis any other currency usually $ due to marker forces is called currency depreciation. it is different from devaluation where in value of currency is deliberately reduced to improve BoT
mohammad
depreciation in its broad sense means loss in the value of fixed capital say a tractor due to i) normal wear and tear ii) normal rate of accidental damage iii) expected absolescence to meet this, Depereciation Reserve Fund is created it is calculated by firms on the basis of their experience.
mohammad
what is green revolution ?discuss the achievement of green revolution in India
Sweety Reply
green revolution is the third revolution of agricultural refers to a set of research and development of technology transfer initiative occuring between 1930s and the late 1960s that increased agricultural is called green revolution
Javid
the green revolution happened because to improve the agricultural sector towards adopting mordern methods and improvement of agricultural equipments
Madhu
green revolution means new innovation for high yielding varieties seeds towards economic development in agriculture sector. started in 1966, it's achievement increase per productive of all crops ie rice, wheat,maiz,etc...mainly 131 million food grain in 1978-79 produced in india
Rams
Punjab and haryana was the first 2 states which have been successfully adopted hyv's and due to this adoption these two states find more successfull in india and it contributed though our national income and also to GDP growth this helps in development of our nation.
Madhu
what calculation for demand and supply
Amoo Reply
what is nationalisation
Awuni Reply
it is a process of converting private assets into public assets by undertaking the control of government or state authority
ru
yes
Emmanuel
so true
Violet
what are some the things that may lead to nationalisation
Fung
Over exploring of customers by the private individuals Also to make the nationalised organisation social reliable and accessible by all
Richard
feeling of one's is called nationalisation. unity among them self .
Madhu
anything which is widely acceptable as a medium of exchange
Shabana Reply
money ,currency
ru
Hello plz,what is the full mean of tertiary?
al Reply
tertiary also called philoshper
Waseem
tertiary means third..for example primary sector ,secondary and tertiary sector... means three number..
ru
ru 9ice tnk
al
your most welcome.
ru
tnz
al
what is money
Tettey
what is a bank
Walters
a financial institution which holds money for its clients ,which collect deposit and lend money at interest and trades generally in money...
Shabana
what is bankers draft ?kindly explain with example .
Shabana
money "anything which is widely acceptable as a medium of exchange"
Shabana
yes u ryt #shabana
Dar
difference between cost and price
Dar
Shallow definition
Adam
cost"the value of input that is the amount of money which is used to produce a good or service . price"an amount of money which has to b paid to buy something.
Shabana
Tertiary is an adjective(pre position) for stages or levels and refers to "top, final, full term ." ; Advanced.
Anderson
bank draft is a type of cheque which a person buy for to pay someone who is not willing to accept a personal cheque .
ru
tertiary sector is an providing any kind of services.
Madhu
primary sector is 'agriculture', secondary sector is ' industrial sector ,and the tertiary sector is ,' service sector' ,
Dharam
subana are you understand now the meaning of bank draft?
ru
what is golden- diamond paradox
Tammanna
tertiary is a sector which provides all kinds of services.
Madhu
no I didn't understand bank draft clearly
Shabana
elaborate it with example kindly
Shabana
A bank draft is a type of money order often used for large purchases. A bank draft offers guaranteed funding, as the institution issuing it has already collected money to cover its value, while a check draws funds from an individual's account. unless it has funds in it transaction is impossible
mohammad
It provides all kinds of services like transporting,e banking.
Madhu
thanks Muhammad manzoor
Shabana
thanks
Honey
Any item considered to be of third order
Anthony
what is occupational structure
Madhu Reply
occupational structure refers to the distribution of occupation on the basis of educational ,socoial ,income level in a society or economy
ru
no that is not a exact meaning
Madhu
than what is exact meaning
Dharam
It refers to also the what is the average income of the person
Madhu
what is deficit
Obiajunwa Reply
deficit = expenses > revenue
Waseem
yeah expenses over revenue results in deficit
Paulina
insufficiency
Anderson

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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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