<prompt> Translate the following text to EnglishMfano huu unatuwezesha kuzingatia mchango wa akiba ya kitaifa kwa uzalishaji na viwango vya maisha kupitia uhusiano kati ya akiba na hisa za mtaji.  <response>: The model allows us to focus on the contribution of national saving to output and living standards through the linkage between saving and the capital stock. 