<prompt> Translate the following text to EnglishHata hivyo, dhana hii ya kurahisisha inaruhusu sisi kutathmini athari ya sera ya bajeti juu ya akiba, uwekezaji, na pato katika siku zijazo.  <response>: Nonetheless, this simplifying assumption allows us to assess the effect of budget policy on saving, investment, and output in the future. 