Episodes of exceptionally rapid economic expansion driven by financial bubbles can bring about periods of growing prosperity, but they can end very suddenly, leading to deep recessions or even longer periods of stagnation.
金融泡沫拉动的经济极高速扩张可以一时增加繁荣，但是可以十分突兀地结束，引起深刻的衰退或是更长时期的停滞。