▁and ▁came ▁up ▁with ▁this ▁possible ▁explanation : ▁ ▁" Part ▁of ▁it ▁is ▁human ▁nature : ▁People ▁benefit ▁a ▁little ▁bit ▁every ▁day ▁from ▁the ▁sales ▁tax es ▁elimin ated ▁in ▁ 2 0 0 2 ▁by ▁passage ▁of ▁the ▁St elly ▁Plan . ▁But ▁everybody ▁not ices ▁when ▁they ▁write ▁a ▁larger ▁check ▁for ▁state ▁income ▁tax . ▁Law m akers ▁are ▁respond ing ▁to ▁ag gr ieved , ▁mostly ▁aff lu ent ▁constitu ents ▁who ▁pay ▁big ▁income ▁tax ▁b ills . ▁ ▁" This ▁is ▁a ▁commonly ▁c ited ▁problem ▁with ▁the ▁sales ▁tax : ▁even ▁the ▁low - in come ▁fol ks ▁who ▁are ▁hit ▁hard est ▁by ▁it ▁often ▁don ' t ▁notice , ▁because ▁they ▁pay ▁a ▁nick el ▁here ▁and ▁a ▁nick el ▁there ▁rather ▁than ▁one ▁big ▁l ump ▁sum . ▁If ▁people ▁don ' t ▁notice ▁the ▁sales ▁tax ▁when ▁they ▁pay ▁it , ▁it ' s ▁easy ▁to ▁understand ▁that ▁they ▁wouldn ' t ▁notice ▁when ▁( as ▁a ▁result ▁of ▁the ▁St elly ▁sales ▁tax ▁cut s ) ▁they ' re ▁not ▁longer ▁pay ing ▁it . ▁. ▁. ▁. ▁" ▁ ▁St elly ▁critics ▁Governor ▁Bobby ▁J ind al ▁at ▁first ▁opposed ▁the ▁repe al ▁as ▁too ▁cost ly ▁to ▁decl ining ▁state ▁coff ers ▁but ▁then ▁champion ed ▁it ▁as ▁public ▁reaction ▁against ▁the ▁measure ▁acceler ated . ▁ ▁Jeff rey ▁D . ▁S adow , ▁a ▁professor ▁of ▁political ▁science ▁at ▁Louisiana ▁State ▁University ▁in ▁Sh re ve