Easing can boost growth by lifting asset prices (equities and housing), reducing private and public borrowing costs, and limiting the risk of a fall in actual and expected inflation. Given fiscal drag and private deleveraging, lack of sufficient monetary easing in recent years would have led to double and triple dip recession (as occurred, for example, in the eurozone).
当然，货币宽松并非纯零和博弈。宽松可以通过提升资产价格（股票和房地产）刺激增长、降低私人和公共借贷成本、限制实际和预期通胀下降。在财政拖累和私人去杠杆化的环境下，近几年来如果货币宽松不足，可能导致二次甚至三次探底（比如，欧元区就发生了这一幕）。