AP赎回的不是一揽子股票吗？ETF sponsor怎么做到只把unrealized gain大的股票给AP呢？

LnX是什么意思？

原版书课后题，reading6 35题，没有单位根为什么还要一阶差分呢？指数关系又没有单位根为什么不选A呢？

Based on Heckscher-Ohlin model, which of the following is correct when trade opens: A The abundant factor gains relative to the scarce factor in each country. B The scarce factor gains relative to the abundant factor in each country. C Income is redistributed between countries but not within each country. C选项为什么不对

老师，请问如何判别数据是否独立？谢谢

Which of the following condition provides a country with most gains based on the Ricardian trade model? A It produces all products while its trade partner specializes in one good. B The terms of trade are closer to its partner's autarkic prices than to its autarkic prices. C The terms of trade are closer to its autarkic prices than to its partner's autarkic prices. 不明白这个题

OCi 不是非股东的权益吗

老师，available for sale 是指的哪类资产呢

讲义159页，Lapsers index是过去的篮子，对于新产品来说，过去的篮子中并不包含，虽然新产品很贵，但不在篮子里，怎么会引起高估呢？？真是岂有此理

Supposing that a country has a persistent trade surplus and is being pressured to let its currency appreciate. If currency appreciation is to be effective in reducing the trade surplus, which of the following best describes the adjustment that must occur? A Domestic investment must decline relative to saving. B Global capital flows must shift toward the domestic market. C Foreigners must increase investment relative to saving. 不明白B选项