<prompt> Translate the following text to SwahiliThe model is helpful for exploring the long-term implications of national saving and fiscal policy and for comparing alternative paths within a common economic framework.  <response>: Mfano huo ni muhimu kwa kuchunguza athari za muda mrefu za akiba ya kitaifa na sera ya kifedha na kwa kulinganisha njia mbadala ndani ya mfumo wa kawaida wa kiuchumi. 