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What does the passage mainly discuss？A．The importance of family economic conditions to kid

What does the passage mainly discuss？

A．The importance of family economic conditions to kids" success in study and life.

B．The achievement gap between children from wealthy families and poorer ones.

C．Some countries having achieved success in erasing the gap between children completely.

D．How to narrow the achievement gap between kids from different family backgrounds.

提问人：网友lgqeagle 发布时间：2022-01-07

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更多“What does the passage mainly d…”相关的问题

第1题

评价下述情形中规模经济与比较优势的相对重要性：

a．世界上大部分的铝是由挪威或加拿大冶炼的。

b．世界上半数的大型喷气客机在西雅图生产。

c．美国和日本生产了大部分的半导体。

d．大部分苏格兰威士忌产自苏格兰。

e．许多世界上最好的葡萄酒产自法国。

Evaluate the relative importance of economies of scale and comparative advantage in causing the following：

a．Most of the world's aluminum is smelted in Norway or Canada．

b．Half of the world's large jet aircraft are assembled in Seattle．

c．Most semiconductors are manufactured in either the United States or Japan．

d．Most Scotch whiskey comes from Scotland．

e．Much of the world's best wine comes from France．

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第2题

Suppose home and foreign countries were to integrate their automobile market with a third country. Find the number of firms, the output per firm, and the price per automobile in the new integrated market after trade. Average cost can be written as AC = (nF/S) + c and price can be written as P = c + (1/bn), where n is the number of firms, F is the fixed cost, S is the market size, c is the marginal cost, and b is a constant. The values are given as follows: F = 750,000,000, c = 5,000, b = 1/30,000. SHome = 900,000, SForeign = 1,600,000, SCountry 3 = 3,750,000. (Notes: To solve this problem, we need to first find the equilibrium number of firms in the three country integrated market by setting average cost equal to price across all markets.)

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第3题

Suppose that fixed costs for a firm in the automobile industry (start-up costs of factories, capital equipment, and so on) are $5 billion and that variable costs are equal to $17,000 per finished automobile. Because more firms increase competition in the market, the market price falls as more firms enter an automobile market, or specifically, where n represents the number of firms in a market. Assume that the initial size of the U.S. and the European automobile markets are 300 million and 533 million people, respectively. a. Calculate the equilibrium number of firms in the U.S. and European automobile markets without trade. b. What is the equilibrium price of automobiles in the United States and Europe if the automobile industry is closed to foreign trade? c. Now suppose that the United States decides on free trade in automobiles with Europe. The trade agreement with the Europeans adds 533 million consumers to the automobile market, in addition to the 300 million in the United States. Howmany automobile firms will there be in the United States and Europe combined? What will be the new equilibrium price of automobiles?

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第4题

A small country can import a good at a world price of 10 per unit. The domestic supply curve of the good is S = 20 + 10P. The demand curve is D = 400 - 5P. In addition, each unit of production yields a marginal social benefit of 10. a. Calculate the total effect of a production subsidy of 5 per unit. b. What would the optimal production subsidy be?

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第5题

Upon Poland’s entering the European Union, suppose it is discovered that the cost of automobile production in Poland is €20,000 while it is €30,000 in Germany. Suppose the EU, which has a customs union, has an X percent tariff on automobiles and the costs of production are equal to Y (valued in euros) in Japan. Comment on whether the addition of Poland to the European Union would result in trade creation or trade diversion under the following scenarios: a. X = 50%, and Y = €18,000 b. X = 100%, and Y = € 18,000 c. X = 100%, and Y = € 12,000

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第6题

•A country currently imports automobiles at $8,000 each. Its government believes that, given time, domestic producers could manufacture autos for only $6,000 but that there would be an initial shakedown period during which autos would cost $10,000 to produce domestically. • a. Suppose that each firm that tries to produce autos must go through the shakedown period of high costs on its own. Under what circumstances would the existence of the initial high costs justify infant industry protection? • b. Now suppose, on the contrary, that once one firm has borne the costs of learning to produce autos at $6,000 each, other firms can imitate it and do the same. Explain how this can prevent development of a domestic industry and how infant industry protection can help.

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第7题

汉代陶俑的艺术特点

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第8题

山西的低温铅釉陶最早出现在什么时期？

A、南北朝时期

B、汉代

C、宋代

D、明代

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第9题