老师，请讲解一下这题，谢谢Which one of the following is most likely a reason to not use fiscal deficits as an expansionary tool?A They may crowd out private investment.B They may facilitate tax changes to reduce distortions in an economy.C They may stimulate employment when there is substantial unemployment in an economy.

老师，请问讲解一下这题，谢谢Fiscal expansions will most likely have the most impact on aggregate output when the economy is in which of the following states?A Full employmentB Near full employmentC Considerable unemployment

CFO直接法支付给供应商的钱是不是还需要考虑预付账款

这题用不到exchange ratio么？

老师 我有个疑惑，记住了公式但是还是算不出题目，像这道题中，我知道分子有一项是market securities，但是题目当中给出是financial assets的时候，我就不知道这两项其实是一个意思 ，这种情况有什么技巧吗？谢谢

LM曲线，r和物价水平不是反向关系吗？

verifiability和understandability的侧重点在哪里呀？感觉做题做不对。能否请老师列一些英文关键词呢？

这道题求得是D的现值（使用path2），我的问题是一般解题思路都是3/(1+S2)2而不是3/(1+s1)(1+s2),为什么老师的解题思路是第二种呢？

这题要知道吗 讲义里面没有欸

怎么从题干中得知是等额本息还是等额本金还款方式？