Hello instructor, I want to know why the real interest rates are higher in an economy in which GDP growth is more volatile compared with that in an economy in which growth is more stable. Thanks?

Hello instructor, I want to know why the real interest rates are higher in an economy in which GDP growth is more volatile compared with that in an economy in which growth is more stable. Thanks?

K与L都增加到2倍，Y也增加为2倍。那A同时增加2倍，Y此时是4倍？规模报酬不变只针对K,L吗？

老师您好，这个方法请您解释一下，完全看不懂他要想表达的什么意思？

老师，我知道是借什么投什么。 但是不会方框中的为什么是buy? 每次遇到这种买哪个货币卖哪个货币。。。我都几乎会搞反，请老师指点，谢谢！

请问第16题怎么做

请问第十二题怎么做的，解题思路应该是什么

请问第九题怎么做，没懂题目的意思

请问第七题怎么做

请问这题怎么做