For example, in Australia, the main constraints faced by foreigners is to obtain the approval of the local foreign investment review board before they can be traded.

比如在澳大利亚，外国人面对的最主要限制是必须先获得当地外资检讨局的批准，才可进行买卖。

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Constraints can help ensure investment flows to where it provides the highest returns.

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Also, the capacity constraints imposed by certain investment strategies mean a limit may exist on how much capital can be employed by a particular hedge fund without negatively impacting its returns and, thereby, the lucrative performance fee accruing to the fund manager.

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But we should certainly avoid heavy investment in an unsatisfactory system determined by the constraints of an unsatisfactory treaty.

CENTERFORSECURITYPOLICY: Center For Security Policy