<prompt> Translate the following text to EnglishOngezeko la matumizi wakati wowote kwa sababu ya athari ya utajiri inatarajiwa kuwa ndogo, ikizingatiwa mwelekeo wa kuokoa mzunguko wa maisha kueneza matumizi ya mabadiliko makubwa ya utajiri kwa muda.  <response>: The increase in spending at any one time due to the wealth effect would be expected to be small, given a life-cycle savers tendency to spread consumption of a significant change in wealth over time. 