为什么要Long执行价格低的，Short执行价格高的呢？没有听太明白

Forward的Delta是怎么计算出来的啊？

06.单选题 已收藏 标记 纠错 A country that maintains a target exchange rate is most likely to have which outcome when its inflation rate rises above the level of the inflation rate in the target country? A An increase in short-term interest rates. B An increase in the domestic money supply. C An increase in its foreign currency reserves. 查看解析 上一题 下一题 正确答案A 您的答案A本题平均正确率：52% Tools of the central bank难度：一般 推荐：      答案解析 Interest rates are expected to rise to protect the exchange rate target. 问：C的逻辑可以讲一下吗？我恰恰觉得如果要维持本国汇率不变 应该增加外汇储备

老师，Call和Put的Delta什么时候讲过啊？是一级的内容吗？不好意思全忘了

老师，请问这道题为什么不用成对数检验呢？而是用的一个u的T-test呢？

05.单选题 已收藏 标记 纠错 A central bank that decides the desired levels of interest rates and inflation and the horizon over which the inflation objective is to be achieved is most accurately described as being: A target independent and operationally independent. B target independent but not operationally independent. C operationally independent but not target independent. 查看解析 上一题 下一题 正确答案A 您的答案A本题平均正确率：62% Tools of the central bank难度：一般 推荐：      答案解析 The central bank described is target independent because it set its own targets (e.g., the target inflation rate) and operationally independent because it decides how to achieve its targets (e.g., the time horizon). 问：此题可否用简单实例 讲一下基本逻辑，基础课里没有这部分的说明

04.单选题 已收藏 标记 纠错 Which of the following best describes a fundamental assumption when monetary policy is used to influence the economy? A Financial markets are efficient. B Money is not neutral in the short run. C Official rates do not affect exchange rates. 查看解析 上一题 下一题 正确答案B 您的答案B本题平均正确率：72% Tools of the central bank难度：一般 推荐：      答案解析 If money were neutral in the short run, monetary policy would not be effective in influencing the economy.. 问：货币中性原则在短期无效，在长期有效这个假设前提 可否再解释的细一点，为什么会这样，可否简单举例？

01.单选题 已收藏 标记 纠错 Which of the following is most likely to occur in the short run if the U.S. Federal Reserve decides to decrease the money supply? A An increase in the velocity of money similar to decrease in the money supply. B A decrease in the unemployment rate. C An increase in the real rate of interest. 查看解析 下一题 正确答案C 您的答案A本题平均正确率：75% Tools of the central bank难度：一般 推荐：      答案解析 问： 我的理解： 1.A.M V = Y P,Y*P相当于总GDP,总GDP不变，那么M和V应该是增减幅度相同，所以A是对的？ 2.C.为什么假设名义利率不变，题目中没有给出这个提前吧？

老师你好，这里不明白为什么净出口的增加会相应的带来净资本流出的增加呢？净出口的增加是出口的增加大于进口的增加，而出口是国外资本流入啊，进口是资本流出，那么净出口增加的效应是资本流入大于资本流出，所以应该是净流入啊？请指点迷津，谢谢

Discounted Cash Flow 计算器敲法能帮忙重温一下吗