<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.vipengele hivyo hivyo hutumika kueleza tofauti katika kiwango cha mapato kwa mtu baina ya nchi, hasa kwa nini baadhi ya nchi hukua kwa kasi kuliko zingine, na ikiwa nchi hukutana katika viwango sawa.  <response>: the same factors are used to explain differences in the level of output per capita between countries, in particular why a few countries grow faster than others, and whether countries converge at the same rates of growth. 