此外还需要面临价值准备金耗尽的影响和负权益（negative equity）的风险 — — 这些情况可能破坏央行信誉，进而破坏货币信誉 — — 看起来，显然至少目前直升机撒钱仍应该稳稳地留在学术争论领域。
Add to that the impact of the depletion of valuation reserves and the risk of negative equity –developments that could undermine the credibility of central banks and thus of currencies – and it seems clear that helicopter drops should, at least for now, remain firmly in the realm of academic debate.