Section 2 chapter 20

A pharmacy ( drug store ) is an example of what?

• primary

• secondary

• tertiary

• Quaternary sector

Answer explanation

Hospitality, mass media, these are all in the tertiary sector.

Why are small companies not likely to manufacture steel?

The Airbus A380 plane can carry almost 600 passengers. Other planes can carry fewer than 400 passengers. What are the economies of scale in each case?

空中客车 A380 飞机可搭载近 600 名乘客。其他飞机只能搭载不到 400 名乘客。每种情况下的规模经济是什么？

Answer explanation

Supermarkets are the most common example of economies of scale. Since they buy goods in bulk, they avail discounts. Therefore, they enjoy the benefit of reduced average cost. Less money spent for output.

超市是规模经济最常见的例子。由于他们大量购买商品，因此可以享受折扣。因此，他们享受降低平均成本的好处。花在输出上的钱更少。

examples of diseconomies of scale...规模不经济的例子...

• all of these

• waste 浪费

• regulatory costs 监管成本

• lack of risk taking ( risk aversion ) 缺乏冒险精神（风险厌恶）

Explain two types of internal economies of scale in the mining industry?

解释采矿业的两种内部规模经济？

Answer explanation

Lower average cost

Managerial costs

Technical efficiency

Financial economy

Diversification

较低的平均成本

管理成本

技术效率

金融经济

多样化