經濟 1991 年 DSE、CE、AL 選擇題

1.

A divergence between private and social costs

2.

Owing to the problem of scarcity in a society, we have to

(1)impose price controls

(2)make choices

(3)adopt a planned economic system

(4)compete against one another

3.

Susan is choosing between two jobs: being a teacher and being a singer. If she chooses to be a singer, her opportunity cost will include

4.

Which of the following are economic goods?

(1)social welfare provided by the government

(2)gifts from parents

(3)flowers in a garden

5.

Mr. Wong, who is a fireman, also works as a part-time taxi-driver. Which stage(s) of production is he engaged in?

6.

The above diagram shows the interdependence among the three stages of production. The flows of 'X' and 'Y' should be labelled respectively as

7.

Suppose the government provides housing subsidies to teachers serving in the same school for over 10 years. Such a measure will tend to __________ the occupational mobility and __________ the geographical mobility of these teachers.

8.

Which factor return has all of the following characteristics? I It can be negative II It can be very large III It is not known before sale of finished products

9.

Which of the following statements about 'benefit' is true?

10.

Private tuition is usually paid for by time rates because