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Chapter II: Comparative Advantage_David Ricado

Chapter II: Comparative Advantage_David Ricado. Lectured by: Mr. SOK Chanrithy. I. Adam Smith_Absolute Advantage. The Wealth of Nations ,

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Chapter II: Comparative Advantage_David Ricado

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  1. Chapter II: Comparative Advantage_David Ricado Lectured by: Mr. SOK Chanrithy

  2. I. Adam Smith_Absolute Advantage • The Wealth of Nations, "If a foreign country can supply us with a commodity cheaper than we ourselves can make it, better buy it of them with some part of the produce of our own industry, employed in a way in which we have some advantage. " • Local market and international market • Specialization => int-specialization. It means one country export one product which it specialist in.

  3. He said that: one country export the efficiency product than others. The quality and price are effectively than others. • The principle of trade is Absolute advantage

  4. 1. Definition of Absolute Adv • Absolute Advantage • A country has an absolute advantage in the production of a good relative to another country if it can produce the good at lower cost or with higher productivity. Absolute advantage compares industry productivities across countries • The first expression means that the • uses fewer labor resources (hours of work) to produce • In other words the resource cost of production is lower • The second expression means greater production

  5. 2. Assumption • A and B produces two goods • Two produces, Clothes(T) and Soybean(S) • Total Hour of production is the same • The different in technology • Specialist in ….. • Why is country B need to trade with country A? • The Autarky and trade condition => Numerical Example

  6. II. Comparative AdvantageDavid Ricardo • The most important concept in international trade theory. • technology differences • 2 countries producing 2 goods using labor as the only factor of production. • Goods are assumed homogeneous (identical) across firms and countries. • Labor is homogeneous within a country but heterogeneous (non-identical) across countries. • Goods can be transported costless between countries. Labor can be reallocated costless between industries within a country but cannot move between countries.

  7. Labor is always fully employed. • Production technology differences across industries and across countries and are reflected in labor productivity parameters. • The labor and goods markets are assumed to be perfectly competitive in both countries. • Firms are assumed to maximize profit while consumers (workers) are assumed to maximize utility.

  8. In technology between countries • The first method, called absolute advantage is the way most people understand technology differences. • The second method called comparative advantage is a much more difficult concept.

  9. 1. Definition • Comparative Advantage • A country has a comparative advantage in the production of a good if it can produce that good at a lower opportunity cost relative to another country.

  10. 2. Gain from trade • If our country can produce some set of goods at lower cost than a foreign country, and if the foreign country can produce some other set of goods at a lower cost than we can produce them, then clearly it would be best for us to trade our relatively cheaper goods for their relatively cheaper goods. In this way both countries may gain from trade.

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