之前有同学提过相同问题：https://class.pzacademy.com/qa/77162
对于助教的解释我还是不能理解。
原版书第二册262页从收益率角度出发有以下解释：A rising current account deficit will tend to put upward pressure on real required returns (downward pressure on asset prices) in order to induce a higher saving rate in the deficit country (to mitigate the widening deficit) and to attract the increased flow of capital from abroad required to fund the deficit. An expanding current account surplus will, in general, require the opposite in order to reduce “excess” saving.
但是该段的结论依然是：This suggests that the analyst should consider reallocation of portfolio assets from countries with secularly rising current account deficits to those with secularly rising current account surpluses (or narrowing deficits).
请问应该如何理解？
