A: gain from exchange if Brandon specializes in planting and Christopher specializes in plowing.
B: gain from exchange if Brandon specializes in plowing and Christopher specializes in planting.
C: exchange, but only Brandon will gain from the exchange.
D: exchange, but only Christopher will gain from the exchange.
举一反三
- In one day, Brandon can either plow 10 acres or plant 20 acres. In one day, Christopher can either plow 14 acres or plant 14 acres. Which of the following statements about comparative advantage is correct A: Brandon has a comparative advantage in both plowing and planting. B: Brandon has a comparative advantage only in plowing. C: Brandon has a comparative advantage only in planting. D: Christopher has a comparative advantage in both plowing and planting.
- From the first paragraph we can learn that Christopher was __________.
- From the last two paragraphs we can conclude that ______. A: exchange students are welcome in America B: exchange students must pay much money to the host families C: American students don't want to join the exchange programs D: old Americans can benefit from hosting exchange students
- How can you gain valuable on-the-job experience? A: Through observation B: Through exchange information C: Through an internship D: Through travel
- Exchange rates are the prices of buying，selling or converting money from one currency to another.（ ）
内容
- 0
Spot exchange rate is the exchange rate at which a foreign exchange dealer will convert one currency into another currency on _________________. A: some occasion B: a particular day C: a spot D: a period
- 1
The theory of exchange psychology holds that the value of foreign exchange is determined by the subjective evaluation of the marginal utility of foreign exchange made by both the supply and demand of foreign exchange.
- 2
People are only able to exchange currencies in foreign exchange market.
- 3
In one day, Sue can change the oil on 20 cars or change the tires on 20 cars. In one day, Fred can change the oil on 20 cars or change the tires on 10 cars. Sue and Fred can gain from trade if Sue changes the ( ) and Fred changes the ( ). A: tires; oil B: oil; oil C: oil; tires D: tires; tires
- 4
When the customer purchases foreign exchange at the foreign exchange bank, the transaction price shall be the buying price of foreign exchange.( )