Bound in example sentence
I think Bob Hall has a better read on what is going on: "With allowance for other factors holding back GDP growth during those wars, the multiplier linking government purchases to GDP may be in the range of 0.7 to 1.0... but higher values are not ruled out....Multipliers are higher – perhaps around 1.7 – when the nominal interest rate is at its lower bound of zero, as it was during 2009...” (and is today).