问题
单项选择题
Which of the following statements about achieving proper timing in fiscal policy is FALSE（）
A. Improvements in quantitative methods have made the occurrence of recessions or expansions quite predictable.
B. There is usually a time lag between when a change in policy is needed and when the need is recognized by policy makers.
C. The time required to change tax laws and government expenditure programs can be lengthy.
答案
参考答案：A
解析：
One problem in achieving proper timing in fiscal policy is the inability to accurately predict a recession or expansion.