Module 4 comparative advantage trade
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Module 4 Comparative Advantage & Trade. What you will learn in this Module. How trade leads to gains for an individual or an economy The difference between absolute advantage and comparative advantage How comparative advantage leads to gains from trade in the global marketplace.

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Module 4 Comparative Advantage & Trade

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Module 4 comparative advantage trade

Module 4 Comparative Advantage & Trade


What you will learn in this module

What you will learn in this Module

  • How trade leads to gains for an individual or an economy

  • The difference between absolute advantage and comparative advantage

  • How comparative advantage leads to gains from trade in the global marketplace


We gain from trade no question about it

We Gain from Trade. No Question About It!

  • Can you make everything you need to sustain your lifestyle?

  • NOOOOOOOOOOOO!!

  • People are better off from trade ~ or providing goods and services to others & receiving goods and services in return

  • You get more that way than if you tried to be self sufficient and do it all yourself

  • WHY? A word called specialization….

An economy can produce more as a whole when each person specializes and in a task and trades with others for what she is not good at producing….


We gain from trade no question about it activity

We Gain from Trade. No Question About It!Activity

  • Get with your Econ Buddy. Talk to each other and figure out 3 things each of you do better than the other. Choose one each that would mutually benefit you both. Assign a value to whatever it is you and your buddy are trading for

  • Explain how it would be beneficial to you to trade.

  • What is this called in economic terms?

  • Have you ever traded household chores with siblings? Other friends?

    .

An economy can produce more as a whole when each person specializes and in a task and trades with others for what she is not good at producing….


Give examples of how individuals and businesses specialize

Give examples of how individuals and businesses specialize

  • What is Specialization?

  • Devotion of resources to a task

  • What is Division of labor?

  • Splitting up work into smaller tasks

  • With a partner, pick a service that requires specialization give examples of HOW a business or individual specializes. Explain or draw below the specialization and the division of labor of your service.


Comparative vs absolute advantage

Comparative vs. Absolute Advantage

  • Comparative advantage:

  • who has the lower opportunity cost?

  • Absolute advantage:

  • a person or economy can produce more of a good or service with a given amount of time and resources than another

  • http://www.youtube.com/watch?v=GrY8oymZoe4

  • http://theconversation.com/the-economics-of-comparative-advantage-and-usain-bolt-video-7988

  • Comparative Advantage leads nations to trade with each other P. 28 Figure 4.3


Production possibilities for bangladesh usa

Production Possibilities for Bangladesh & USA


Cotton shirts or malaria medicine

Cotton Shirts or Malaria Medicine?

Will these two countries gain from trade if 100 units of malaria medicine are traded for 200 cotton shirts? To find out:

1. Calculate the opportunity costs of production for each country

2. Determine the comparative advantage for each country

3. Determine if the terms of trade are mutually beneficial


Cotton shirts or malaria medicine1

Cotton Shirts or Malaria Medicine?

Will these two countries gain from trade if 100 units of malaria medicine are traded for 200 cotton shirts? To find out:

1. Calculate the opportunity costs of production for each country

2. Determine the comparative advantage for each country

3. Determine if the terms of trade are mutually beneficial


What is the opportunity cost

What is the Opportunity Cost?

Will these two countries gain from trade if 100 units of malaria medicine are traded for 200 cotton shirts? To find out:

1. Calculate the opportunity costs of production for each country

2. Determine the comparative advantage for each country

3. Determine if the terms of trade are mutually beneficial

The United States has a comparative advantage in Malaria Medicine (M) because they only give up 1 cotton shirt while Bangladesh must give up 3 cotton shirts to gain 1 unit of medicine.

Bangladesh has a comparative advantage in Cotton Shirts (C) because they only give up 1/3 unit of medicine while The United States must give up 1 unit of medicine to gain 1 cotton shirt.


Mutually beneficial trade both countries must gain

Mutually Beneficial Trade: Both Countries Must Gain

Pretend the numbers came out differently.

Instead of for Bangladesh 1 cotton shirt to 1/3 medicine, it came out 1 Cotton shirt to 2/3 medicine. Is the trade still beneficial? Explain.

And instead of for the USA, 1 medicine to 1 cotton shirt, it came out 1 medicine to 2 cotton shirts. Is the trade still beneficial? Explain.


Mutually beneficial trade both countries gain

Mutually Beneficial Trade: Both Countries Gain

The terms of trade are mutually beneficial as long as they are between the two countries’ opportunity costs.

Instead of for Bangladesh 1 cotton shirt to 1/3 medicine, it came out 1 Cotton shirt to 2/3 medicine. Is the trade still beneficial? Explain. Any amount of medicine greater than 1/3 and less than 1 traded for 1 cotton shirt would represent mutually beneficial terms of trade.

And instead of for the USA, 1 medicine to 1 cotton shirt, it came out 1 medicine to 2 cotton shirts. Is the trade still beneficial? Explain. Any number of cotton shirts greater than 1 and less than 3 traded for 1 unit of medicine would represent mutually beneficial terms of trade.


Mutually beneficial trade both countries gain1

Mutually Beneficial Trade: Both Countries Gain

Calculate the opportunity costs of production for each country.

2. Determine the comparative advantage for each country

3. Determine if the terms of trade are mutually beneficial


Mutually beneficial trade both countries gain2

Mutually Beneficial Trade: Both Countries Gain

Calculate the opportunity costs of production for each worker.

2. Determine the comparative advantage for each worker.

3. Determine if the terms of trade are mutually beneficial


Comparative advantage gains from trade

Comparative Advantage & Gains from Trade

  • The story of Tom & Hank p. 24 figure 4.1

  • Can both produce fish & coconuts? Sure

  • Can each specialize in what they do best & trade for the rest? Definitely

  • Every fish Tom catches he gives up ¾ of a coconut

  • Every fish Hank catches he gives up 2 coconuts

    • Who is better at catching fish?

    • Tom (table 4.2 & figure 4.2)

    • Hank has a higher opportunity cost than Tom if he catches fish. Tom should fish & trade with Hank for the coconuts.


Activity fish n chips

Activity: Fish ‘n’ Chips


Review for section 1 test basic economic concepts

Review for Section 1 TestBasic Economic Concepts

  • Congratulations! You made it through the first section of AP Macroeconomics.

  • The test will have multiple choice questions and 2 free response questions.

  • The test is short so know your stuff!!

  • Best Success! 


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