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Zorluk: ZorTheories of International Trade (Absolute and Comparative Advantage)

The table below shows the input requirement in labor-hours needed to produce one unit of Wheat and one unit of Solar Panels in Country Alpha and Country Beta:

CountryWheat (1 unit)Solar Panels (1 unit)
Country Alpha4 labor-hours8 labor-hours
Country Beta6 labor-hours18 labor-hours

Based on the principle of comparative advantage, which of the following statements correctly identifies the specialization pattern for both countries and the mutually beneficial terms of trade range for 1 unit of Solar Panels?

  1. Country Alpha specializes in Solar Panels, Country Beta specializes in Wheat, and 1 Solar Panel exchanges for between 2 and 3 units of Wheat.Cevap
  2. B
    Country Alpha should produce both goods because it has an absolute advantage in both, while Country Beta should not engage in international trade.
  3. C
    Country Beta specializes in Solar Panels and Country Alpha specializes in Wheat because Beta requires more total labor-hours for industrial production.
  4. D
    Country Alpha specializes in Solar Panels, Country Beta specializes in Wheat, and 1 Solar Panel exchanges for between 0.33 and 0.50 units of Wheat.

Cevap

Country Alpha specializes in Solar Panels, Country Beta specializes in Wheat, and 1 Solar Panel exchanges for between 2 and 3 units of Wheat.
Country Alpha needs 8 labor-hours for 1 Solar Panel and 4 labor-hours for 1 Wheat, meaning 1 Solar Panel costs 2 units of Wheat. Country Beta needs 18 labor-hours for 1 Solar Panel and 6 labor-hours for 1 Wheat, meaning 1 Solar Panel costs 3 units of Wheat. Alpha has a lower opportunity cost in Solar Panels and should specialize in them, while Beta has a lower opportunity cost in Wheat (0.33 Solar Panels vs 0.5 Solar Panels) and should specialize in Wheat. For trade to benefit both nations, 1 Solar Panel must buy more Wheat than Alpha can produce internally (2 units) but less than Beta must forego internally (3 units).

Adım Adım Çözüm

1
Calculate domestic opportunity costs for Country Alpha
Opportunity cost of 1 unit of Wheat = 4/8 = 0.5 Solar Panels. Opportunity cost of 1 unit of Solar Panels = 8/4 = 2 units of Wheat.
Input-based opportunity cost is calculated as (Labor-hours for Good X) / (Labor-hours for Good Y).
2
Calculate domestic opportunity costs for Country Beta
Opportunity cost of 1 unit of Wheat = 6/18 = 0.33 Solar Panels. Opportunity cost of 1 unit of Solar Panels = 18/6 = 3 units of Wheat.
This establishes Country Beta's relative cost ratio.
3
Determine comparative advantage for each country
Country Alpha has comparative advantage in Solar Panels (2 Wheat < 3 Wheat). Country Beta has comparative advantage in Wheat (0.33 Solar Panels < 0.5 Solar Panels).
A nation specializes in the good where its opportunity cost is lower.
4
Establish the terms of trade bounds
1 Solar Panel must exchange for more than 2 units of Wheat (Alpha's cost) but less than 3 units of Wheat (Beta's cost).
Terms of trade must lie strictly between the internal opportunity cost ratios of the two trading partners to benefit both.

Anahtar Kavram

Law of Comparative Advantage (Input-based Calculation)
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