Whether interest rates do rise will also depend on how US saving and investment evolves over the same period. America’s household saving rate has risen since 2007 by about 3% of GDP.
与此同时，利率是否上升还取决于美国的储蓄和投资在同一时期内有何进展。美国的家庭储蓄相对GDP的比率自2007年以来已经上升了3%，公司储蓄也有所增加，但大量增加的政府赤字却掩盖了上述成果。