▁car ries ▁multiple ▁cor ruption ▁ris ks , ▁as ▁it ▁was ▁highlight ed ▁by ▁international ▁research . ▁ ▁Education ▁ ▁Despite ▁the ▁success ▁ ▁of ▁the ▁authorities ▁in ▁ ▁reducing ▁ ▁pet ty ▁ ▁cor ruption / b ri ber y ▁ ▁in ▁ ▁some ▁ ▁citiz en - g overn ment ▁ ▁interactions , ▁ ▁anti - cor ruption ▁ ▁watch d ogs ▁report ▁that ▁ ▁ent rench ed ▁cor ruption , ▁strong ▁ ▁patron age ▁ ▁networks , ▁a ▁lack ▁ ▁of ▁clear ▁separation ▁between ▁private ▁enter prise ▁and ▁public ▁office , ▁as ▁well ▁as ▁the ▁overlap ▁between ▁political ▁and ▁business ▁el ites ▁limit ▁the ▁effective ▁implementation ▁of ▁anti - cor ruption ▁efforts . ▁These ▁problems ▁affect ▁the ▁education ▁system ▁too . ▁It ▁is ▁perce ived ▁as ▁one ▁of ▁the ▁se ctors ▁that ▁is ▁hit ▁hard est ▁by ▁cor ruption . ▁ ▁Att empt s ▁to ▁fight ▁the ▁problem ▁have ▁brought ▁mixed ▁results ▁and ▁often ▁opened ▁new ▁opportun ities ▁for ▁mal p ract ice ▁instead ▁of ▁closing ▁the ▁existing ▁ones . ▁ ▁Tax ▁and ▁custom s ▁ag encies ▁▁ ▁In ▁ 2 0 0 7 , ▁World ▁Bank ▁econom ists ▁pointed ▁to ▁serious ▁problems ▁with ▁rule ▁of ▁law ▁and ▁w ides p read ▁cor ruption ▁in ▁the ▁Armen ian ▁tax ▁and ▁custom s ▁ag encies . ▁ ▁Mis app ropri ation ▁of ▁international ▁lo ans ▁ ▁In ▁March ▁ 2 0 0 4 , ▁an ▁ad ▁h oc ▁commission ▁of ▁the ▁Armen ian ▁parliament ▁investig ating ▁the ▁use ▁of ▁a ▁$