NO.PZ2023010401000114
问题如下：
Which of the following would be most useful as a leading indicator to signal the start of an economic recovery?
选项：
A.An increase in aggregate real personal incomes (less transfer payments).
B.A decrease in average weekly initial claims for unemployment insurance.
C.The narrowing of the spread between the 10-year Treasury yield and the federal funds rate.
解释：
Average weekly initial claims for unemployment insurance are a leading indicator of economic activity and a decline is an indicator of rehiring at the start of a recovery.
中文解析：
每周首次申请失业保险的平均人数是经济活动的领先指标，下降是经济复苏开始时再就业的指标。
A为什么不对？收入应该是最直接衡量的指标啊
