<prompt> Translate the following text to SwahiliThe existence of such a lag is important for the valuation of premature mortality incidence because economic theory suggests that benefits occurring in the future should be discounted.  <response>: Uwepo wa lag kama hiyo ni muhimu kwa ajili ya thamani ya vifo vya mapema kwa sababu nadharia ya kiuchumi inaonyesha kwamba faida zinazotokea katika siku zijazo zinapaswa kupunguzwa. 