第18题B选项错在哪

increases in public spending are forms of contractionary fiscal policy 老师我认为这个表述有问题呢， 增加公众消费应该是紧缩的财政政策吧？

组合，reading41原版书课后题，第37题，截图是题干。这道题关于马科维茨有效前沿的解释中，为什么会有“主导全球最小方差组合下方的组合”这一项？关于EF的定义和解释中，好像没有提到这一条。并且，当我们讨论有效前沿的时候，都是讨论上半条，也就是在全球最小方差组合上方的那些组合。

you expect her to earn two-thirds of her tuition payment in scholarship mont,so youestimate that your payments will be 10000 a year for four years. to estimate whether you have set aside enough money,you ignore possible inflation in tuition payments and assume that you can earn 8 percent annually on your investments,how much should you set aside now to cover these payments

you are considering investing in two different instruments.the first instrument will pay nothing for three years,but then it will pay $20000 per year for four years.the second instrument will pay $20000 for three years and #30000 in the fourthyear. all payments are made at year-end .if your required rate of return on these investments in 8 percent annually,what should you be willing to pay for?我的问题是为什么计算时不是折现到零时间点？

请问 划线的这行，在IFERS下算入unusual items，是在operating profit后去减；在GAAP下，是属于operating items 是在gross profit后去减？是否正确？不对的话 请告知两个法则下 分别归属 谢谢。

组合，reading41原版书课后题第34题，截图是题干和答案。为什么资产1和2组合的风险是最大的，答案并没有讲清楚道理。请老师解释一下，谢谢！

第8题C选项是什么意思？

疑问

这个非欺诈 是别人骗你 还是你骗别人呀？