<prompt> Translate the following text to SwahiliVarious reviewers have argued that 1 the long-term estimates may be biased high andor 2 the short-term estimates may be biased low.  <response>: Kwa mujibu wa watafiti, kwa mfano, makadirio ya muda mrefu yanaweza kuwa na upendeleo wa juu na kwa muda mfupi inaweza kuwa na upendeleo wa chini. 