NO.PZ2023120801000103
问题如下：
Holding all other factors constant, the most likely
effect of low demand and heavy new issue supply on bond yield spreads is that
yield spreads will:
选项：
A.widen
tighten
not be affected
解释：
Correct Answer: A
Low demand implies wider yield spreads, while heavy
supply will widen spreads even further.
能不能解释一下这句话？
为什么低需求会缩小yield spread？高需求则相反？
