<prompt> Translate the following text to SwahiliIt asks how much more efficient would a potential competitor have to be to overcome the scale economies of the U.S.  <response>: Kama ilivyoelezwa hapo juu, Ni kiasi gani cha ufanisi mshindani wa uwezekano lazima awe ili kushinda uchumi wa kiwango cha Marekani? 