老师，请问这种情况不是应该先反映给superviser吗？

Fiscal policy is typically expansionary, while monetary policy is typically contractionary. 这个错在哪里呢？

老师好，请问 a thress-moth forward exchange rate in CAD/USD is listed by a dealer at 1.0123. The dealer also quotes 3-month forward points as a percentage at 6.8%. The CAD/USD spot rate is closest to 这种forward point 是百分比的该怎么做

第21题为什么是1

quotas是进口配额吧？老师口误？

为什么按老师说的，进行到第二步计算器上就出现error了

第3题C为什么错

我对C选项的选择的理解是： fiscal policy主要关注taxes 和 government spending， 而monetary policy更关注inflation和unemployment rate。 请老师指点下！

substitution bias不太懂，ppt上说这是Upward bias created when people shift from a good with rising price to its substitute这句话的意思是什么呢？

32-34 解题思路是什么