Презентация Global economy and Global economic Governance Intro онлайн
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Слайды и текст к этой презентации:
№1 слайд
Содержание слайда: Global economy and Global economic Governance
Intro
2016 - Professor Vladimir Zuev
vzuev@hse.ru
№2 слайд
Содержание слайда: Lecture 2. Basics of the Word trade theory
№3 слайд
Содержание слайда: Understanding international trade
The core areas for understanding international trade:
- the reasons for trade
- explanation of trade patterns
- the gains from trade
- or losses from restricting trade.
- empirical evidence supplements the theoretical treatment. The European Union (EU), World Trade Organization (WTO) and the United Nations Conference on Trade and Development (UNCTAD) are institutionally involved in trade policy issues and their major concerns are included in the subjects to be studied
№4 слайд
Содержание слайда: 2. Basics of the Word trade theory
The starting point for studying international trade:
Why do countries trade with each other?
How do countries gain from international trade?
What determines the international pattern of specialization and the commodity and composition of trade?
№5 слайд
Содержание слайда: Adam Smith
Adam Smith had shown the gains of trade in the presence of absolute advantage;
each country will benefit from specialization in those commodities in which it has an absolute advantage (i.e. can produce at lower real cost than another country),
that is, the situation in which a country is more efficient in producing a good than another country.
“Real cost,” for Smith, meant the amount of labor time required to produce a commodity.
№6 слайд
Содержание слайда: Adam Smith
= Appears a reason for trade
= if the good is cheaper in another country – the reason to buy it, if it is more expensive – the reason to sell it.
As simple as that
The concept compares productivity in a sector for a product.
№7 слайд
Содержание слайда: David Ricardo model
Ricardo’s model shows that mutual gains from trade (and specialisation) arise even when one of the countries is less efficient in the production of all goods.
Although the poor country may be less efficient overall, and thus not have an absolute advantage, it may still have a relative efficiency, giving it a comparative advantage.
№8 слайд
Содержание слайда: The assumptions of the Ricardian model
Each good is produced with the aid of one factor of production -labor.
Labor works with land and capital but these other factors are suppressed in the model and the assumption is that the unit of labor works with fixed other inputs
№9 слайд
Содержание слайда: Comparative advantage
England is more efficient at the production of both goods. Less labor is required to produce either good in England than in Portugal. Still Portugal has a comparative advantage in shoes, whereas UK has a comparative advantage in cloth
№10 слайд
Содержание слайда: The Ricardian model
Developed by David Ricardo in the early nineteenth century to provide intellectual support for the abolition of Corn Laws in Great Britain – to promote the benefits of free trade in grain
Ricardo’s numerical example uses two countries, Portugal and England, and the production and trade of two products, namely wine and cloth.
The Ricardian model remains the starting point of the international trade theory 200 years after Ricardo originally developed it.
№11 слайд
Содержание слайда: Opportunity cost
Example of two countries –USA and Colombia. And 2 products roses and PCs
Some politicians denounced the growing imports of flowers into the United States, which they claimed were putting American flower growers out of business.
And it was true that a growing share of the market for winter roses in the United States was supplied by imports from Colombia
But was that a bad thing?
№12 слайд
Содержание слайда: Opportunity cost
In the USA the flowers must be grown in heated greenhouses, at great expense in terms of energy, capital investment, and other scarce resources.
Those resources could be used to produce other goods.
Inevitably, there is a trade-off. In order to produce winter roses, the U.S. economy must produce fewer of other things, such as computers.
№13 слайд
Содержание слайда: Opportunity cost
Suppose that the United States grows 10 million roses and that the resources used to grow those roses could have produced 100,000 computers instead.
Then the opportunity cost of those 10 million roses is 100,000 computers.
Conversely, if the computers were produced instead, the opportunity cost of those 100,000 computers would be 10 million roses.
№14 слайд
Содержание слайда: Opportunity cost
Colombian workers are less efficient than their U.S. counterparts at making sophisticated goods such as computers
which means that a given amount of resources used in computer production yields fewer computers in Colombia than in the United States.
So the trade-off in Colombia might be something like 10 million winter roses for only 30,000 computers.
№15 слайд
Содержание слайда: Opportunity cost
The opportunity cost of roses in terms of computers is the number of computers that could have been produced with the resources used to produce a given number of roses.
The opportunity cost of the roses would be less in Columbia
Opportunity cost for computers in the USA is lower.
A given amount of resources used in computer production yields fewer PCs in Columbia than in the US
This difference in the opportunity cost offers the possibility of the mutually beneficial rearrangement of the world production.
№16 слайд
Содержание слайда: Comparative advantage. Gains of specialization
Let the US stop grow roses and start produce more PCs
Let Columbia grow roses
If the US will devote resources to PCs instead of roses the USA and the world as a whole will produce more
If specialization is according to comparative advantage, the total world production of both goods can be greater than under autarky.
№17 слайд
Содержание слайда: Change in production
№18 слайд
Содержание слайда: Comparative advantage. Gains of specialization
More generally, it can be shown that free trade, and hence specialization according to comparative advantage, will expand production and consumption possibilities in both countries.
it is also possible to raise the standard of living
№19 слайд
Содержание слайда: Gains from trade
The reason that international trade makes an increase in world output is that it allows each country to specialize in producing the good in which it has a comparative advantage.
A country has a comparative advantage in producing a good if the opportunity cost of producing that good in terms of other goods is lower in that country than it is in other countries.
Two countries can trade to their mutual benefit even when one of them is more efficient than the other at producing everything
Producers in the less efficient country can compete by paying lower wages
№20 слайд
Содержание слайда: Importance of trade
Trade brings not only benefits of choosing lower priced goods in another country
Trade determines specialization
It is an indicator to people, cos. and countries of what to produce in a more efficient way
№21 слайд
Содержание слайда: Testing the model
The empirical evidence validates the predictions of the Ricardian model that:
1. Except when labor inputs are equal across countries, gains from trade exist
2. A country exports the commodity in which it has a comparative labor cost advantage and imports the commodity in which it has a comparative disadvantage
№22 слайд
Содержание слайда: The models and reality
We need to be careful when applying the Ricardian model, or any other model.
Leamer and Levinsohn provide the following sobering advice:
1. Don’t take trade theory too seriously.
2. Don’t take trade theory too casually.
The Ricardian model, like all economic theory, is not meant to be taken literally. It is a simplified version of reality, meant to elucidate certain key points, not to describe it exhaustively.
It is useful to establish how important comparative advantage is, rather than showing that it is not always exactly true.
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