Free Trade and Trade Protection (id: 680d99c96)

本题目来源于试卷: Free Trade and Trade Protection，类别为 IB经济学

[单选题]

	Cotton	Tractors
Cottonland	2000	1000
Tractorland	8000	7000

Calculate the opportunity cost of cotton in Cottonland and the opportunity cost of tractors in Tractorland.

	Opportunity cost of cotton in Cottonland	Opportunity cost of tractors in Tractorland
A.	0.5 tractors	0.9 cotton
B.	2 tractors	1.1 cotton
C.	0.5 tractors	1.1 cotton
D.	2 tractors	0.9 cotton

A.
B.
C.
D.


参考答案:  A


本题详细解析:

B

$\underset{‾}{\text{Explanation}}$:
$$ $OpportunityCost={\displaystyle \frac{Goodssacrificed}{Goodsobtained}}$

$$ $OCofcottonincottonland={\displaystyle \frac{1000}{2000}}=0.5tractors$

$$ $OCoftractorsintractorland={\displaystyle \frac{8000}{7000}}=1.1cotton$

Options A & D invert the calculation of the OC of tractors in Tractorland.

Options A & C invert the calculation of the OC of cotton in Cottonland.

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