问题
单项选择题
Cyclical unemployment is closely associated with:（）
A. long-term economic growth.
B. fluctuations in the natural rate of unemployment.
C. short-run fluctuations in the economy.
答案
参考答案：C
解析：
Cyclical unemployment is caused by a change in the general level of economic productivity and occurs when the economy is not operating at full employment. Like a recession, cyclical unemployment is a short-run phenomenon. Frictional and structural unemployment exist even when the economy is operating a full employment, and thus are considered long-run types of unemployment.