Notes
Slide Show
Outline
1
Gains from International Trade
  • Is “what is good for the sugar industry” really good for America?
2
Is International Trade Good for US?
  • Doesn’t international trade benefit one country at the expense of the other?
  • If that were true, why would the country getting harmed willingly take part in the trade?
3
Why do countries trade?
  • They both gain
  • Source of gain is lower costs
  • Absolute Advantage—Adam Smith
  • Comparative Advantage—David Ricardo
4
Absolute Advantage
  • Why do two people trade?
5
Comparative Advantage
  • What if one is better than the other at both tasks?
  • Does Mozella then do both?
  • She can’t;
  • She won’t!
6
Specialize in Traditional Roles?
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What is Comparative Advantage?
  • Comparative Advantage = Least Opportunity Cost
  • Early concept of economic efficiency, predates opportunity cost concept
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Specialize in Comparative Advantage
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Modified Comparative Advantage
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Comparison to Traditional Roles
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Bala-Land PPF


12
Republic of Mozella PPF
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Combined PPF
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Sources of Comparative Advantage and Gains from Trade
  • Differences in Abilities, Talents, even Cultures—Diversity!
  • Differences in Relative Abundance of Resources: Capital, Labor and Human Capital, Natural Resources—Another dimension of Diversity!
  • Gains from Trade, Consumer and Producer Surplus!
15
Specialization Limited by Extent of the Market
  • Larger markets make specialization easier / more possible
  • Think of specialization in terms of restaurants in small vs. large cities
  • Economies of Scale
  • Specialization lowers costs and increases variety
  • Gains from trade can be seen in both variety and lower costs and prices