A development country maintains a fixed value for its currency relative to the U.S. dollar. It is experiencing a decline in its economic activity, and its inflation rate falls below the Level in the United States. If the developing country wants to maintain the fixed exchange rate target, its A Money supply will contract. B Short-term interest rates will fall. C Foreign exchange reserves will decrease. 老师，买美元那本国的货币不是减少吗，然而又说要货币宽松，有矛盾吧？

critical value这节课ppt第10页这道题，如果不是双尾而是单尾，那么cv也就是k是多少呢？

老师，概率对文科生太抽象的,不举例子很难理解啊😯

这道题按照单老师教的方法算出来是710，为什么不按照单老师的方法呢。

请问既然PA是unconditional的为什么还要被w 1w2影响呢？全概率公式意义是什么呢

8%÷12？

问题1: 这里的HPR和HPY是一个概念么？ 问题2: 为什么这里HRY=r/m？ HPY是否=(Fv-pv）/pv?

老师好， 这道题可不可以比较market conversion value? In the secondary market, bond value per share = 1050/23.26 = $45.148/share vs. current stock value per share= $52/share. 因为买低卖高, we buy bond and sell stock here.

老师好， 这道题可不可以比较market conversion value? In the secondary market, bond value per share = 1050/23.26 = $45.148/share vs. current stock value per share= $52/share. 因为买低卖高, we buy bond and sell stock here.

NX=S-I-(G-T)，既然NX降低，I会升高，(g-t)跟I一样在等式右边的符号为负号，为什么不跟investment一样是升高呢？反而是需要降低？