- On 04/05/2008 and based on the approval No. 3/2602 of the Secretariat of the National Scientific Journals Commission, Quarterly Journal of Quantitative Economics(JQE) (former Economic Studies) received a Scientific-Research rank. It is also indexed in the Islamic World Science Citation Centers (ISC), Jihad Scientific Information Database (SID), National Publications Database (Magiran), Noor Specialized Database, and Google Scholar scientific website.edit