问题
单项选择题
Which of the following are problems in measuring unemployment （） Ⅰ. In order to be classified as unemployed, one must be looking for a job Ⅱ. People may be busy but their activities are outside the market labor force Ⅲ. Unemployed workers who are seeking work are included in the labor force along with employed workers
A. Ⅰ only.
B. Ⅱ only.
C. all of the above.
答案
参考答案：C
解析：
Problems in measuring unemployment include: (1) in order to be classified as unemployed, one must be looking for a job. (2) people may be busy but their activities are outside the market labor force. (3) unemployed workers who are seeking work are included in the labor force along with employed workers.