<prompt> Translate the following text to EnglishIngawa masomo mengi bora na vitabu vimeandikwa juu ya akiba ya kitaifa na ukuaji wa kiuchumi wa muda mrefu, majadiliano haya huwa magumu na ya kiufundi.  <response>: Although many excellent studies and books have been written on national saving and long-term economic growth, these discussions tend to be complex and technical. 