或者资本自由流通会受限制?
假如 USD-HKD ped to 7.8, 而且资本可以自由流通,两边的利率应该基本一样。现在是HKD 利率远低于 USD 利率。
Arbitrage的路数就是:borrow HKD, exchange to USD. You pay HDK interest and earn USD interes. If USD-HKD ped to around 7.8, the interest differential is then free lunch.
有点乱啊