Janngoɓe moftal-jawdi jamanu daw mahirama daw moftal-jawdi naneno sey ni be chanji ɗuɗɗe je ɓeydi ko ɗustibe hautare famu nane, bano limngal jawdi,faamu fijirle,faamu asar luumo be gasa je wal bote, be labiji haalaji moftal-jawdi naneno je ɓeydal jawdi ngam famuugo ko waddata asar jawdi leydi. and the neoclassical model of economic growth for analysing long-run variables affecting national income.