Despite large flows of official development assistance, the performance of recipient economies has been discouraging. Aid effectiveness, including the effect of instability of aid flows, has thus become a central concern.

中文翻译：

---

援助不稳定、援助有效性和经济增长

尽管官方发展援助大量流入，但受援经济体的表现一直令人沮丧。因此，援助有效性，包括援助流动不稳定的影响，已成为一个核心问题。