NO.PZ2021071301000015
问题如下：
After an increase in real personal income, which of the following is most likely to increase?
选项：
A. Equity prices
B. Building Permit for New Private Residential
C. consumer installment debt / income
解释：
C is correct.
Aggregate real personal income is a indicator that keeps pace with the business cycle, while the ratio of consumers' installment debt to income is a lagging indicator.
个人实际收入总额是景气周期的同步指标，而消费者分期付款债务与收入的比率则是滞后性指标。
个人收入增加 是同步指标说明是经济 expansion 阶段。，个人分期负债ratio是 负债/收入 分母增加 这个ratio不是应该下降么
